Home / 2,347.96-3,240.18-1,353.23

Finding the Fourth Proportional to 2,347.96, 3,240.18 and 1,353.23

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Solution

The fourth proportional to 2,347.96, 3,240.18 and 1,353.23 is: 1,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.96 : 3,240.18 = 1,353.23 : x
  2. Step 2: Convert to fraction form
    2,347.96/3,240.18 = 1,353.23/x
  3. Step 3: Cross multiply
    2,347.96x = 3,240.18 × 1,353.23
  4. Step 4: Simplify right side
    2,347.96x = 4,384,699.66
  5. Step 5: Solve for x
    x = 4,384,699.66/2,347.96
  6. Step 6: Final answer
    x = 1,867.45

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Half scale
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Double scale
Find fourth proportional to 2,348.96, 3,241.56 and 1,354.23
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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.