Home / 1,025.70-1,537.98-332.19

Finding the Fourth Proportional to 1,025.70, 1,537.98 and 332.19

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Solution

The fourth proportional to 1,025.70, 1,537.98 and 332.19 is: 498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.70 : 1,537.98 = 332.19 : x
  2. Step 2: Convert to fraction form
    1,025.70/1,537.98 = 332.19/x
  3. Step 3: Cross multiply
    1,025.70x = 1,537.98 × 332.19
  4. Step 4: Simplify right side
    1,025.70x = 510,901.58
  5. Step 5: Solve for x
    x = 510,901.58/1,025.70
  6. Step 6: Final answer
    x = 498.10

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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.