Home / 1,551.23-2,327.52-628.58

Finding the Fourth Proportional to 1,551.23, 2,327.52 and 628.58

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Solution

The fourth proportional to 1,551.23, 2,327.52 and 628.58 is: 943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.23 : 2,327.52 = 628.58 : x
  2. Step 2: Convert to fraction form
    1,551.23/2,327.52 = 628.58/x
  3. Step 3: Cross multiply
    1,551.23x = 2,327.52 × 628.58
  4. Step 4: Simplify right side
    1,551.23x = 1,463,038.34
  5. Step 5: Solve for x
    x = 1,463,038.34/1,551.23
  6. Step 6: Final answer
    x = 943.15

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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.