Home / 1,551.30-2,327.28-455.58

Finding the Fourth Proportional to 1,551.30, 2,327.28 and 455.58

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Solution

The fourth proportional to 1,551.30, 2,327.28 and 455.58 is: 683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.30 : 2,327.28 = 455.58 : x
  2. Step 2: Convert to fraction form
    1,551.30/2,327.28 = 455.58/x
  3. Step 3: Cross multiply
    1,551.30x = 2,327.28 × 455.58
  4. Step 4: Simplify right side
    1,551.30x = 1,060,262.22
  5. Step 5: Solve for x
    x = 1,060,262.22/1,551.30
  6. Step 6: Final answer
    x = 683.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.