Home / 1,581.13-2,184.18-1,498.12

Finding the Fourth Proportional to 1,581.13, 2,184.18 and 1,498.12

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Solution

The fourth proportional to 1,581.13, 2,184.18 and 1,498.12 is: 2,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.13 : 2,184.18 = 1,498.12 : x
  2. Step 2: Convert to fraction form
    1,581.13/2,184.18 = 1,498.12/x
  3. Step 3: Cross multiply
    1,581.13x = 2,184.18 × 1,498.12
  4. Step 4: Simplify right side
    1,581.13x = 3,272,163.74
  5. Step 5: Solve for x
    x = 3,272,163.74/1,581.13
  6. Step 6: Final answer
    x = 2,069.51

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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.