Home / 2,915.13-4,373.21-1,354.08

Finding the Fourth Proportional to 2,915.13, 4,373.21 and 1,354.08

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Solution

The fourth proportional to 2,915.13, 4,373.21 and 1,354.08 is: 2,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.13 : 4,373.21 = 1,354.08 : x
  2. Step 2: Convert to fraction form
    2,915.13/4,373.21 = 1,354.08/x
  3. Step 3: Cross multiply
    2,915.13x = 4,373.21 × 1,354.08
  4. Step 4: Simplify right side
    2,915.13x = 5,921,676.20
  5. Step 5: Solve for x
    x = 5,921,676.20/2,915.13
  6. Step 6: Final answer
    x = 2,031.36

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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.