Home / 1,876.27-2,589.47-1,130.61

Finding the Fourth Proportional to 1,876.27, 2,589.47 and 1,130.61

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Solution

The fourth proportional to 1,876.27, 2,589.47 and 1,130.61 is: 1,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.27 : 2,589.47 = 1,130.61 : x
  2. Step 2: Convert to fraction form
    1,876.27/2,589.47 = 1,130.61/x
  3. Step 3: Cross multiply
    1,876.27x = 2,589.47 × 1,130.61
  4. Step 4: Simplify right side
    1,876.27x = 2,927,680.68
  5. Step 5: Solve for x
    x = 2,927,680.68/1,876.27
  6. Step 6: Final answer
    x = 1,560.37

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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.