Home / 1,624.11-2,241.18-915.96

Finding the Fourth Proportional to 1,624.11, 2,241.18 and 915.96

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Solution

The fourth proportional to 1,624.11, 2,241.18 and 915.96 is: 1,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.11 : 2,241.18 = 915.96 : x
  2. Step 2: Convert to fraction form
    1,624.11/2,241.18 = 915.96/x
  3. Step 3: Cross multiply
    1,624.11x = 2,241.18 × 915.96
  4. Step 4: Simplify right side
    1,624.11x = 2,052,831.23
  5. Step 5: Solve for x
    x = 2,052,831.23/1,624.11
  6. Step 6: Final answer
    x = 1,263.97

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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.