Home / 3,554.29-5,330.35-1,245.25

Finding the Fourth Proportional to 3,554.29, 5,330.35 and 1,245.25

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Solution

The fourth proportional to 3,554.29, 5,330.35 and 1,245.25 is: 1,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.29 : 5,330.35 = 1,245.25 : x
  2. Step 2: Convert to fraction form
    3,554.29/5,330.35 = 1,245.25/x
  3. Step 3: Cross multiply
    3,554.29x = 5,330.35 × 1,245.25
  4. Step 4: Simplify right side
    3,554.29x = 6,637,618.34
  5. Step 5: Solve for x
    x = 6,637,618.34/3,554.29
  6. Step 6: Final answer
    x = 1,867.49

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Half scale
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Double scale
Find fourth proportional to 3,555.29, 5,331.85 and 1,246.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.