Home / 1,284.03-1,925.87-462.19

Finding the Fourth Proportional to 1,284.03, 1,925.87 and 462.19

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Solution

The fourth proportional to 1,284.03, 1,925.87 and 462.19 is: 693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.03 : 1,925.87 = 462.19 : x
  2. Step 2: Convert to fraction form
    1,284.03/1,925.87 = 462.19/x
  3. Step 3: Cross multiply
    1,284.03x = 1,925.87 × 462.19
  4. Step 4: Simplify right side
    1,284.03x = 890,117.86
  5. Step 5: Solve for x
    x = 890,117.86/1,284.03
  6. Step 6: Final answer
    x = 693.22

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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.