Home / 1,525.55-2,103.10-1,083.29

Finding the Fourth Proportional to 1,525.55, 2,103.10 and 1,083.29

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Solution

The fourth proportional to 1,525.55, 2,103.10 and 1,083.29 is: 1,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.55 : 2,103.10 = 1,083.29 : x
  2. Step 2: Convert to fraction form
    1,525.55/2,103.10 = 1,083.29/x
  3. Step 3: Cross multiply
    1,525.55x = 2,103.10 × 1,083.29
  4. Step 4: Simplify right side
    1,525.55x = 2,278,267.20
  5. Step 5: Solve for x
    x = 2,278,267.20/1,525.55
  6. Step 6: Final answer
    x = 1,493.41

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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.