Home / 3,329.14-4,990.18-1,247.76

Finding the Fourth Proportional to 3,329.14, 4,990.18 and 1,247.76

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Solution

The fourth proportional to 3,329.14, 4,990.18 and 1,247.76 is: 1,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.14 : 4,990.18 = 1,247.76 : x
  2. Step 2: Convert to fraction form
    3,329.14/4,990.18 = 1,247.76/x
  3. Step 3: Cross multiply
    3,329.14x = 4,990.18 × 1,247.76
  4. Step 4: Simplify right side
    3,329.14x = 6,226,547.00
  5. Step 5: Solve for x
    x = 6,226,547.00/3,329.14
  6. Step 6: Final answer
    x = 1,870.32

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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.