Home / 1,254.60-1,730.59-923.88

Finding the Fourth Proportional to 1,254.60, 1,730.59 and 923.88

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Solution

The fourth proportional to 1,254.60, 1,730.59 and 923.88 is: 1,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.60 : 1,730.59 = 923.88 : x
  2. Step 2: Convert to fraction form
    1,254.60/1,730.59 = 923.88/x
  3. Step 3: Cross multiply
    1,254.60x = 1,730.59 × 923.88
  4. Step 4: Simplify right side
    1,254.60x = 1,598,857.49
  5. Step 5: Solve for x
    x = 1,598,857.49/1,254.60
  6. Step 6: Final answer
    x = 1,274.40

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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.