Home / 1,543.47-2,130.14-844.95

Finding the Fourth Proportional to 1,543.47, 2,130.14 and 844.95

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Solution

The fourth proportional to 1,543.47, 2,130.14 and 844.95 is: 1,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.47 : 2,130.14 = 844.95 : x
  2. Step 2: Convert to fraction form
    1,543.47/2,130.14 = 844.95/x
  3. Step 3: Cross multiply
    1,543.47x = 2,130.14 × 844.95
  4. Step 4: Simplify right side
    1,543.47x = 1,799,857.57
  5. Step 5: Solve for x
    x = 1,799,857.57/1,543.47
  6. Step 6: Final answer
    x = 1,166.11

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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.