Home / 3,574.40-4,932.78-2,002.46

Finding the Fourth Proportional to 3,574.40, 4,932.78 and 2,002.46

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Solution

The fourth proportional to 3,574.40, 4,932.78 and 2,002.46 is: 2,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.40 : 4,932.78 = 2,002.46 : x
  2. Step 2: Convert to fraction form
    3,574.40/4,932.78 = 2,002.46/x
  3. Step 3: Cross multiply
    3,574.40x = 4,932.78 × 2,002.46
  4. Step 4: Simplify right side
    3,574.40x = 9,877,694.64
  5. Step 5: Solve for x
    x = 9,877,694.64/3,574.40
  6. Step 6: Final answer
    x = 2,763.46

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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.