Home / 2,864.18-4,295.79-916.13

Finding the Fourth Proportional to 2,864.18, 4,295.79 and 916.13

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Solution

The fourth proportional to 2,864.18, 4,295.79 and 916.13 is: 1,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.18 : 4,295.79 = 916.13 : x
  2. Step 2: Convert to fraction form
    2,864.18/4,295.79 = 916.13/x
  3. Step 3: Cross multiply
    2,864.18x = 4,295.79 × 916.13
  4. Step 4: Simplify right side
    2,864.18x = 3,935,480.61
  5. Step 5: Solve for x
    x = 3,935,480.61/2,864.18
  6. Step 6: Final answer
    x = 1,374.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.