Home / 3,151.06-4,348.90-1,825.18

Finding the Fourth Proportional to 3,151.06, 4,348.90 and 1,825.18

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Solution

The fourth proportional to 3,151.06, 4,348.90 and 1,825.18 is: 2,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.06 : 4,348.90 = 1,825.18 : x
  2. Step 2: Convert to fraction form
    3,151.06/4,348.90 = 1,825.18/x
  3. Step 3: Cross multiply
    3,151.06x = 4,348.90 × 1,825.18
  4. Step 4: Simplify right side
    3,151.06x = 7,937,525.30
  5. Step 5: Solve for x
    x = 7,937,525.30/3,151.06
  6. Step 6: Final answer
    x = 2,519.00

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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.