Home / 1,284.18-1,925.05-462.03

Finding the Fourth Proportional to 1,284.18, 1,925.05 and 462.03

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Solution

The fourth proportional to 1,284.18, 1,925.05 and 462.03 is: 692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.18 : 1,925.05 = 462.03 : x
  2. Step 2: Convert to fraction form
    1,284.18/1,925.05 = 462.03/x
  3. Step 3: Cross multiply
    1,284.18x = 1,925.05 × 462.03
  4. Step 4: Simplify right side
    1,284.18x = 889,430.85
  5. Step 5: Solve for x
    x = 889,430.85/1,284.18
  6. Step 6: Final answer
    x = 692.61

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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.