Home / 2,482.40-3,726.45-1,964.14

Finding the Fourth Proportional to 2,482.40, 3,726.45 and 1,964.14

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Solution

The fourth proportional to 2,482.40, 3,726.45 and 1,964.14 is: 2,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.40 : 3,726.45 = 1,964.14 : x
  2. Step 2: Convert to fraction form
    2,482.40/3,726.45 = 1,964.14/x
  3. Step 3: Cross multiply
    2,482.40x = 3,726.45 × 1,964.14
  4. Step 4: Simplify right side
    2,482.40x = 7,319,269.50
  5. Step 5: Solve for x
    x = 7,319,269.50/2,482.40
  6. Step 6: Final answer
    x = 2,948.46

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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.