Home / 1,532.73-2,114.48-1,178.02

Finding the Fourth Proportional to 1,532.73, 2,114.48 and 1,178.02

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Solution

The fourth proportional to 1,532.73, 2,114.48 and 1,178.02 is: 1,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.73 : 2,114.48 = 1,178.02 : x
  2. Step 2: Convert to fraction form
    1,532.73/2,114.48 = 1,178.02/x
  3. Step 3: Cross multiply
    1,532.73x = 2,114.48 × 1,178.02
  4. Step 4: Simplify right side
    1,532.73x = 2,490,897.39
  5. Step 5: Solve for x
    x = 2,490,897.39/1,532.73
  6. Step 6: Final answer
    x = 1,625.14

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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.