Home / 1,876.72-2,589.65-1,037.31

Finding the Fourth Proportional to 1,876.72, 2,589.65 and 1,037.31

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Solution

The fourth proportional to 1,876.72, 2,589.65 and 1,037.31 is: 1,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.72 : 2,589.65 = 1,037.31 : x
  2. Step 2: Convert to fraction form
    1,876.72/2,589.65 = 1,037.31/x
  3. Step 3: Cross multiply
    1,876.72x = 2,589.65 × 1,037.31
  4. Step 4: Simplify right side
    1,876.72x = 2,686,264.01
  5. Step 5: Solve for x
    x = 2,686,264.01/1,876.72
  6. Step 6: Final answer
    x = 1,431.36

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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.