Home / 2,763.04-3,812.92-1,521.04

Finding the Fourth Proportional to 2,763.04, 3,812.92 and 1,521.04

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Solution

The fourth proportional to 2,763.04, 3,812.92 and 1,521.04 is: 2,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.04 : 3,812.92 = 1,521.04 : x
  2. Step 2: Convert to fraction form
    2,763.04/3,812.92 = 1,521.04/x
  3. Step 3: Cross multiply
    2,763.04x = 3,812.92 × 1,521.04
  4. Step 4: Simplify right side
    2,763.04x = 5,799,603.84
  5. Step 5: Solve for x
    x = 5,799,603.84/2,763.04
  6. Step 6: Final answer
    x = 2,098.99

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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.