Home / 4,140.34-5,711.51-2,565.70

Finding the Fourth Proportional to 4,140.34, 5,711.51 and 2,565.70

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Solution

The fourth proportional to 4,140.34, 5,711.51 and 2,565.70 is: 3,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.34 : 5,711.51 = 2,565.70 : x
  2. Step 2: Convert to fraction form
    4,140.34/5,711.51 = 2,565.70/x
  3. Step 3: Cross multiply
    4,140.34x = 5,711.51 × 2,565.70
  4. Step 4: Simplify right side
    4,140.34x = 14,654,021.21
  5. Step 5: Solve for x
    x = 14,654,021.21/4,140.34
  6. Step 6: Final answer
    x = 3,539.33

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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.