Home / 1,876.56-2,589.68-1,037.20

Finding the Fourth Proportional to 1,876.56, 2,589.68 and 1,037.20

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Solution

The fourth proportional to 1,876.56, 2,589.68 and 1,037.20 is: 1,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.56 : 2,589.68 = 1,037.20 : x
  2. Step 2: Convert to fraction form
    1,876.56/2,589.68 = 1,037.20/x
  3. Step 3: Cross multiply
    1,876.56x = 2,589.68 × 1,037.20
  4. Step 4: Simplify right side
    1,876.56x = 2,686,016.10
  5. Step 5: Solve for x
    x = 2,686,016.10/1,876.56
  6. Step 6: Final answer
    x = 1,431.35

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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.