Home / 2,920.16-4,386.18-1,936.04

Finding the Fourth Proportional to 2,920.16, 4,386.18 and 1,936.04

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Solution

The fourth proportional to 2,920.16, 4,386.18 and 1,936.04 is: 2,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.16 : 4,386.18 = 1,936.04 : x
  2. Step 2: Convert to fraction form
    2,920.16/4,386.18 = 1,936.04/x
  3. Step 3: Cross multiply
    2,920.16x = 4,386.18 × 1,936.04
  4. Step 4: Simplify right side
    2,920.16x = 8,491,819.93
  5. Step 5: Solve for x
    x = 8,491,819.93/2,920.16
  6. Step 6: Final answer
    x = 2,908.00

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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.