Home / 4,138.32-5,711.94-2,565.51

Finding the Fourth Proportional to 4,138.32, 5,711.94 and 2,565.51

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Solution

The fourth proportional to 4,138.32, 5,711.94 and 2,565.51 is: 3,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.32 : 5,711.94 = 2,565.51 : x
  2. Step 2: Convert to fraction form
    4,138.32/5,711.94 = 2,565.51/x
  3. Step 3: Cross multiply
    4,138.32x = 5,711.94 × 2,565.51
  4. Step 4: Simplify right side
    4,138.32x = 14,654,039.19
  5. Step 5: Solve for x
    x = 14,654,039.19/4,138.32
  6. Step 6: Final answer
    x = 3,541.06

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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.