Home / 2,610.12-3,598.65-1,981.29

Finding the Fourth Proportional to 2,610.12, 3,598.65 and 1,981.29

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Solution

The fourth proportional to 2,610.12, 3,598.65 and 1,981.29 is: 2,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.12 : 3,598.65 = 1,981.29 : x
  2. Step 2: Convert to fraction form
    2,610.12/3,598.65 = 1,981.29/x
  3. Step 3: Cross multiply
    2,610.12x = 3,598.65 × 1,981.29
  4. Step 4: Simplify right side
    2,610.12x = 7,129,969.26
  5. Step 5: Solve for x
    x = 7,129,969.26/2,610.12
  6. Step 6: Final answer
    x = 2,731.66

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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.