Home / 2,539.30-3,507.58-1,948.82

Finding the Fourth Proportional to 2,539.30, 3,507.58 and 1,948.82

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Solution

The fourth proportional to 2,539.30, 3,507.58 and 1,948.82 is: 2,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.30 : 3,507.58 = 1,948.82 : x
  2. Step 2: Convert to fraction form
    2,539.30/3,507.58 = 1,948.82/x
  3. Step 3: Cross multiply
    2,539.30x = 3,507.58 × 1,948.82
  4. Step 4: Simplify right side
    2,539.30x = 6,835,642.06
  5. Step 5: Solve for x
    x = 6,835,642.06/2,539.30
  6. Step 6: Final answer
    x = 2,691.94

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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.