Home / 1,876.40-2,589.60-1,037.30

Finding the Fourth Proportional to 1,876.40, 2,589.60 and 1,037.30

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Solution

The fourth proportional to 1,876.40, 2,589.60 and 1,037.30 is: 1,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.40 : 2,589.60 = 1,037.30 : x
  2. Step 2: Convert to fraction form
    1,876.40/2,589.60 = 1,037.30/x
  3. Step 3: Cross multiply
    1,876.40x = 2,589.60 × 1,037.30
  4. Step 4: Simplify right side
    1,876.40x = 2,686,192.08
  5. Step 5: Solve for x
    x = 2,686,192.08/1,876.40
  6. Step 6: Final answer
    x = 1,431.57

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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.