Home / 2,670.80-3,995.56-2,309.52

Finding the Fourth Proportional to 2,670.80, 3,995.56 and 2,309.52

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Solution

The fourth proportional to 2,670.80, 3,995.56 and 2,309.52 is: 3,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.80 : 3,995.56 = 2,309.52 : x
  2. Step 2: Convert to fraction form
    2,670.80/3,995.56 = 2,309.52/x
  3. Step 3: Cross multiply
    2,670.80x = 3,995.56 × 2,309.52
  4. Step 4: Simplify right side
    2,670.80x = 9,227,825.73
  5. Step 5: Solve for x
    x = 9,227,825.73/2,670.80
  6. Step 6: Final answer
    x = 3,455.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.