Home / 1,025.46-1,414.67-693.77

Finding the Fourth Proportional to 1,025.46, 1,414.67 and 693.77

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Solution

The fourth proportional to 1,025.46, 1,414.67 and 693.77 is: 957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.46 : 1,414.67 = 693.77 : x
  2. Step 2: Convert to fraction form
    1,025.46/1,414.67 = 693.77/x
  3. Step 3: Cross multiply
    1,025.46x = 1,414.67 × 693.77
  4. Step 4: Simplify right side
    1,025.46x = 981,445.06
  5. Step 5: Solve for x
    x = 981,445.06/1,025.46
  6. Step 6: Final answer
    x = 957.08

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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.