Home / 2,684.40-3,704.56-1,565.44

Finding the Fourth Proportional to 2,684.40, 3,704.56 and 1,565.44

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Solution

The fourth proportional to 2,684.40, 3,704.56 and 1,565.44 is: 2,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.40 : 3,704.56 = 1,565.44 : x
  2. Step 2: Convert to fraction form
    2,684.40/3,704.56 = 1,565.44/x
  3. Step 3: Cross multiply
    2,684.40x = 3,704.56 × 1,565.44
  4. Step 4: Simplify right side
    2,684.40x = 5,799,266.41
  5. Step 5: Solve for x
    x = 5,799,266.41/2,684.40
  6. Step 6: Final answer
    x = 2,160.36

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1.5x scale

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.