Home / 1,562.24-2,344.11-638.05

Finding the Fourth Proportional to 1,562.24, 2,344.11 and 638.05

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Solution

The fourth proportional to 1,562.24, 2,344.11 and 638.05 is: 957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.24 : 2,344.11 = 638.05 : x
  2. Step 2: Convert to fraction form
    1,562.24/2,344.11 = 638.05/x
  3. Step 3: Cross multiply
    1,562.24x = 2,344.11 × 638.05
  4. Step 4: Simplify right side
    1,562.24x = 1,495,667.50
  5. Step 5: Solve for x
    x = 1,495,667.50/1,562.24
  6. Step 6: Final answer
    x = 957.39

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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.