Home / 1,474.59-2,034.08-921.63

Finding the Fourth Proportional to 1,474.59, 2,034.08 and 921.63

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Solution

The fourth proportional to 1,474.59, 2,034.08 and 921.63 is: 1,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.59 : 2,034.08 = 921.63 : x
  2. Step 2: Convert to fraction form
    1,474.59/2,034.08 = 921.63/x
  3. Step 3: Cross multiply
    1,474.59x = 2,034.08 × 921.63
  4. Step 4: Simplify right side
    1,474.59x = 1,874,669.15
  5. Step 5: Solve for x
    x = 1,874,669.15/1,474.59
  6. Step 6: Final answer
    x = 1,271.32

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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.