Home / 1,876.50-2,589.57-1,325.46

Finding the Fourth Proportional to 1,876.50, 2,589.57 and 1,325.46

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Solution

The fourth proportional to 1,876.50, 2,589.57 and 1,325.46 is: 1,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.50 : 2,589.57 = 1,325.46 : x
  2. Step 2: Convert to fraction form
    1,876.50/2,589.57 = 1,325.46/x
  3. Step 3: Cross multiply
    1,876.50x = 2,589.57 × 1,325.46
  4. Step 4: Simplify right side
    1,876.50x = 3,432,371.45
  5. Step 5: Solve for x
    x = 3,432,371.45/1,876.50
  6. Step 6: Final answer
    x = 1,829.13

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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.