Home / 1,913.15-2,862.87-1,499.44

Finding the Fourth Proportional to 1,913.15, 2,862.87 and 1,499.44

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Solution

The fourth proportional to 1,913.15, 2,862.87 and 1,499.44 is: 2,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.15 : 2,862.87 = 1,499.44 : x
  2. Step 2: Convert to fraction form
    1,913.15/2,862.87 = 1,499.44/x
  3. Step 3: Cross multiply
    1,913.15x = 2,862.87 × 1,499.44
  4. Step 4: Simplify right side
    1,913.15x = 4,292,701.79
  5. Step 5: Solve for x
    x = 4,292,701.79/1,913.15
  6. Step 6: Final answer
    x = 2,243.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.