Home / 2,972.13-4,459.23-1,328.52

Finding the Fourth Proportional to 2,972.13, 4,459.23 and 1,328.52

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Solution

The fourth proportional to 2,972.13, 4,459.23 and 1,328.52 is: 1,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.13 : 4,459.23 = 1,328.52 : x
  2. Step 2: Convert to fraction form
    2,972.13/4,459.23 = 1,328.52/x
  3. Step 3: Cross multiply
    2,972.13x = 4,459.23 × 1,328.52
  4. Step 4: Simplify right side
    2,972.13x = 5,924,176.24
  5. Step 5: Solve for x
    x = 5,924,176.24/2,972.13
  6. Step 6: Final answer
    x = 1,993.24

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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.