Home / 1,724.10-2,379.15-1,025.34

Finding the Fourth Proportional to 1,724.10, 2,379.15 and 1,025.34

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Solution

The fourth proportional to 1,724.10, 2,379.15 and 1,025.34 is: 1,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.10 : 2,379.15 = 1,025.34 : x
  2. Step 2: Convert to fraction form
    1,724.10/2,379.15 = 1,025.34/x
  3. Step 3: Cross multiply
    1,724.10x = 2,379.15 × 1,025.34
  4. Step 4: Simplify right side
    1,724.10x = 2,439,437.66
  5. Step 5: Solve for x
    x = 2,439,437.66/1,724.10
  6. Step 6: Final answer
    x = 1,414.90

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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.