Home / 1,859.04-2,565.05-1,112.72

Finding the Fourth Proportional to 1,859.04, 2,565.05 and 1,112.72

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Solution

The fourth proportional to 1,859.04, 2,565.05 and 1,112.72 is: 1,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.04 : 2,565.05 = 1,112.72 : x
  2. Step 2: Convert to fraction form
    1,859.04/2,565.05 = 1,112.72/x
  3. Step 3: Cross multiply
    1,859.04x = 2,565.05 × 1,112.72
  4. Step 4: Simplify right side
    1,859.04x = 2,854,164.05
  5. Step 5: Solve for x
    x = 2,854,164.05/1,859.04
  6. Step 6: Final answer
    x = 1,535.29

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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.