Home / 1,844.90-2,543.74-1,507.55

Finding the Fourth Proportional to 1,844.90, 2,543.74 and 1,507.55

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Solution

The fourth proportional to 1,844.90, 2,543.74 and 1,507.55 is: 2,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.90 : 2,543.74 = 1,507.55 : x
  2. Step 2: Convert to fraction form
    1,844.90/2,543.74 = 1,507.55/x
  3. Step 3: Cross multiply
    1,844.90x = 2,543.74 × 1,507.55
  4. Step 4: Simplify right side
    1,844.90x = 3,834,817.83
  5. Step 5: Solve for x
    x = 3,834,817.83/1,844.90
  6. Step 6: Final answer
    x = 2,078.61

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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.