Home / 1,837.29-2,535.86-1,129.74

Finding the Fourth Proportional to 1,837.29, 2,535.86 and 1,129.74

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Solution

The fourth proportional to 1,837.29, 2,535.86 and 1,129.74 is: 1,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.29 : 2,535.86 = 1,129.74 : x
  2. Step 2: Convert to fraction form
    1,837.29/2,535.86 = 1,129.74/x
  3. Step 3: Cross multiply
    1,837.29x = 2,535.86 × 1,129.74
  4. Step 4: Simplify right side
    1,837.29x = 2,864,856.57
  5. Step 5: Solve for x
    x = 2,864,856.57/1,837.29
  6. Step 6: Final answer
    x = 1,559.29

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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.