Home / 2,864.23-4,295.41-915.97

Finding the Fourth Proportional to 2,864.23, 4,295.41 and 915.97

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Solution

The fourth proportional to 2,864.23, 4,295.41 and 915.97 is: 1,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.23 : 4,295.41 = 915.97 : x
  2. Step 2: Convert to fraction form
    2,864.23/4,295.41 = 915.97/x
  3. Step 3: Cross multiply
    2,864.23x = 4,295.41 × 915.97
  4. Step 4: Simplify right side
    2,864.23x = 3,934,466.70
  5. Step 5: Solve for x
    x = 3,934,466.70/2,864.23
  6. Step 6: Final answer
    x = 1,373.66

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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.