Home / 1,340.13-1,847.35-1,152.61

Finding the Fourth Proportional to 1,340.13, 1,847.35 and 1,152.61

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Solution

The fourth proportional to 1,340.13, 1,847.35 and 1,152.61 is: 1,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.13 : 1,847.35 = 1,152.61 : x
  2. Step 2: Convert to fraction form
    1,340.13/1,847.35 = 1,152.61/x
  3. Step 3: Cross multiply
    1,340.13x = 1,847.35 × 1,152.61
  4. Step 4: Simplify right side
    1,340.13x = 2,129,274.08
  5. Step 5: Solve for x
    x = 2,129,274.08/1,340.13
  6. Step 6: Final answer
    x = 1,588.86

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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.