Home / 2,686.47-4,027.40-1,044.19

Finding the Fourth Proportional to 2,686.47, 4,027.40 and 1,044.19

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Solution

The fourth proportional to 2,686.47, 4,027.40 and 1,044.19 is: 1,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.47 : 4,027.40 = 1,044.19 : x
  2. Step 2: Convert to fraction form
    2,686.47/4,027.40 = 1,044.19/x
  3. Step 3: Cross multiply
    2,686.47x = 4,027.40 × 1,044.19
  4. Step 4: Simplify right side
    2,686.47x = 4,205,370.81
  5. Step 5: Solve for x
    x = 4,205,370.81/2,686.47
  6. Step 6: Final answer
    x = 1,565.39

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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.