Home / 1,826.25-2,520.68-1,040.75

Finding the Fourth Proportional to 1,826.25, 2,520.68 and 1,040.75

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Solution

The fourth proportional to 1,826.25, 2,520.68 and 1,040.75 is: 1,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.25 : 2,520.68 = 1,040.75 : x
  2. Step 2: Convert to fraction form
    1,826.25/2,520.68 = 1,040.75/x
  3. Step 3: Cross multiply
    1,826.25x = 2,520.68 × 1,040.75
  4. Step 4: Simplify right side
    1,826.25x = 2,623,397.71
  5. Step 5: Solve for x
    x = 2,623,397.71/1,826.25
  6. Step 6: Final answer
    x = 1,436.49

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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.