Home / 1,184.01-1,634.23-686.96

Finding the Fourth Proportional to 1,184.01, 1,634.23 and 686.96

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Solution

The fourth proportional to 1,184.01, 1,634.23 and 686.96 is: 948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.01 : 1,634.23 = 686.96 : x
  2. Step 2: Convert to fraction form
    1,184.01/1,634.23 = 686.96/x
  3. Step 3: Cross multiply
    1,184.01x = 1,634.23 × 686.96
  4. Step 4: Simplify right side
    1,184.01x = 1,122,650.64
  5. Step 5: Solve for x
    x = 1,122,650.64/1,184.01
  6. Step 6: Final answer
    x = 948.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.