Home / 2,287.53-3,160.35-1,818.90

Finding the Fourth Proportional to 2,287.53, 3,160.35 and 1,818.90

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Solution

The fourth proportional to 2,287.53, 3,160.35 and 1,818.90 is: 2,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.53 : 3,160.35 = 1,818.90 : x
  2. Step 2: Convert to fraction form
    2,287.53/3,160.35 = 1,818.90/x
  3. Step 3: Cross multiply
    2,287.53x = 3,160.35 × 1,818.90
  4. Step 4: Simplify right side
    2,287.53x = 5,748,360.62
  5. Step 5: Solve for x
    x = 5,748,360.62/2,287.53
  6. Step 6: Final answer
    x = 2,512.91

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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.