Home / 2,915.47-4,023.23-1,589.15

Finding the Fourth Proportional to 2,915.47, 4,023.23 and 1,589.15

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Solution

The fourth proportional to 2,915.47, 4,023.23 and 1,589.15 is: 2,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.47 : 4,023.23 = 1,589.15 : x
  2. Step 2: Convert to fraction form
    2,915.47/4,023.23 = 1,589.15/x
  3. Step 3: Cross multiply
    2,915.47x = 4,023.23 × 1,589.15
  4. Step 4: Simplify right side
    2,915.47x = 6,393,495.84
  5. Step 5: Solve for x
    x = 6,393,495.84/2,915.47
  6. Step 6: Final answer
    x = 2,192.96

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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.