Home / 1,150.13-1,587.18-626.18

Finding the Fourth Proportional to 1,150.13, 1,587.18 and 626.18

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Solution

The fourth proportional to 1,150.13, 1,587.18 and 626.18 is: 864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.13 : 1,587.18 = 626.18 : x
  2. Step 2: Convert to fraction form
    1,150.13/1,587.18 = 626.18/x
  3. Step 3: Cross multiply
    1,150.13x = 1,587.18 × 626.18
  4. Step 4: Simplify right side
    1,150.13x = 993,852.44
  5. Step 5: Solve for x
    x = 993,852.44/1,150.13
  6. Step 6: Final answer
    x = 864.13

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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.