Home / 3,055.39-4,215.70-1,796.35

Finding the Fourth Proportional to 3,055.39, 4,215.70 and 1,796.35

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Solution

The fourth proportional to 3,055.39, 4,215.70 and 1,796.35 is: 2,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.39 : 4,215.70 = 1,796.35 : x
  2. Step 2: Convert to fraction form
    3,055.39/4,215.70 = 1,796.35/x
  3. Step 3: Cross multiply
    3,055.39x = 4,215.70 × 1,796.35
  4. Step 4: Simplify right side
    3,055.39x = 7,572,851.62
  5. Step 5: Solve for x
    x = 7,572,851.62/3,055.39
  6. Step 6: Final answer
    x = 2,478.52

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.