Home / 3,530.61-5,294.25-1,307.91

Finding the Fourth Proportional to 3,530.61, 5,294.25 and 1,307.91

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Solution

The fourth proportional to 3,530.61, 5,294.25 and 1,307.91 is: 1,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.61 : 5,294.25 = 1,307.91 : x
  2. Step 2: Convert to fraction form
    3,530.61/5,294.25 = 1,307.91/x
  3. Step 3: Cross multiply
    3,530.61x = 5,294.25 × 1,307.91
  4. Step 4: Simplify right side
    3,530.61x = 6,924,402.52
  5. Step 5: Solve for x
    x = 6,924,402.52/3,530.61
  6. Step 6: Final answer
    x = 1,961.25

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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.