Home / 2,915.28-4,369.77-1,435.52

Finding the Fourth Proportional to 2,915.28, 4,369.77 and 1,435.52

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Solution

The fourth proportional to 2,915.28, 4,369.77 and 1,435.52 is: 2,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.28 : 4,369.77 = 1,435.52 : x
  2. Step 2: Convert to fraction form
    2,915.28/4,369.77 = 1,435.52/x
  3. Step 3: Cross multiply
    2,915.28x = 4,369.77 × 1,435.52
  4. Step 4: Simplify right side
    2,915.28x = 6,272,903.15
  5. Step 5: Solve for x
    x = 6,272,903.15/2,915.28
  6. Step 6: Final answer
    x = 2,151.73

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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.