Home / 4,140.81-5,714.30-2,372.40

Finding the Fourth Proportional to 4,140.81, 5,714.30 and 2,372.40

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Solution

The fourth proportional to 4,140.81, 5,714.30 and 2,372.40 is: 3,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.81 : 5,714.30 = 2,372.40 : x
  2. Step 2: Convert to fraction form
    4,140.81/5,714.30 = 2,372.40/x
  3. Step 3: Cross multiply
    4,140.81x = 5,714.30 × 2,372.40
  4. Step 4: Simplify right side
    4,140.81x = 13,556,593.46
  5. Step 5: Solve for x
    x = 13,556,593.46/4,140.81
  6. Step 6: Final answer
    x = 3,273.90

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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.