Home / 2,575.15-3,555.17-1,787.83

Finding the Fourth Proportional to 2,575.15, 3,555.17 and 1,787.83

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Solution

The fourth proportional to 2,575.15, 3,555.17 and 1,787.83 is: 2,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.15 : 3,555.17 = 1,787.83 : x
  2. Step 2: Convert to fraction form
    2,575.15/3,555.17 = 1,787.83/x
  3. Step 3: Cross multiply
    2,575.15x = 3,555.17 × 1,787.83
  4. Step 4: Simplify right side
    2,575.15x = 6,356,039.58
  5. Step 5: Solve for x
    x = 6,356,039.58/2,575.15
  6. Step 6: Final answer
    x = 2,468.22

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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.