Home / 1,565.60-2,348.40-1,551.20

Finding the Fourth Proportional to 1,565.60, 2,348.40 and 1,551.20

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Solution

The fourth proportional to 1,565.60, 2,348.40 and 1,551.20 is: 2,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.60 : 2,348.40 = 1,551.20 : x
  2. Step 2: Convert to fraction form
    1,565.60/2,348.40 = 1,551.20/x
  3. Step 3: Cross multiply
    1,565.60x = 2,348.40 × 1,551.20
  4. Step 4: Simplify right side
    1,565.60x = 3,642,838.08
  5. Step 5: Solve for x
    x = 3,642,838.08/1,565.60
  6. Step 6: Final answer
    x = 2,326.80

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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.