Home / 3,557.49-4,909.34-1,964.14

Finding the Fourth Proportional to 3,557.49, 4,909.34 and 1,964.14

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Solution

The fourth proportional to 3,557.49, 4,909.34 and 1,964.14 is: 2,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.49 : 4,909.34 = 1,964.14 : x
  2. Step 2: Convert to fraction form
    3,557.49/4,909.34 = 1,964.14/x
  3. Step 3: Cross multiply
    3,557.49x = 4,909.34 × 1,964.14
  4. Step 4: Simplify right side
    3,557.49x = 9,642,608.97
  5. Step 5: Solve for x
    x = 9,642,608.97/3,557.49
  6. Step 6: Final answer
    x = 2,710.51

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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.