Home / 1,859.31-2,565.87-1,062.80

Finding the Fourth Proportional to 1,859.31, 2,565.87 and 1,062.80

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Solution

The fourth proportional to 1,859.31, 2,565.87 and 1,062.80 is: 1,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.31 : 2,565.87 = 1,062.80 : x
  2. Step 2: Convert to fraction form
    1,859.31/2,565.87 = 1,062.80/x
  3. Step 3: Cross multiply
    1,859.31x = 2,565.87 × 1,062.80
  4. Step 4: Simplify right side
    1,859.31x = 2,727,013.05
  5. Step 5: Solve for x
    x = 2,727,013.05/1,859.31
  6. Step 6: Final answer
    x = 1,466.68

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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.