Home / 1,876.55-2,589.69-1,037.30

Finding the Fourth Proportional to 1,876.55, 2,589.69 and 1,037.30

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Solution

The fourth proportional to 1,876.55, 2,589.69 and 1,037.30 is: 1,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.55 : 2,589.69 = 1,037.30 : x
  2. Step 2: Convert to fraction form
    1,876.55/2,589.69 = 1,037.30/x
  3. Step 3: Cross multiply
    1,876.55x = 2,589.69 × 1,037.30
  4. Step 4: Simplify right side
    1,876.55x = 2,686,285.44
  5. Step 5: Solve for x
    x = 2,686,285.44/1,876.55
  6. Step 6: Final answer
    x = 1,431.50

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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.