Home / 2,868.13-4,302.87-1,019.17

Finding the Fourth Proportional to 2,868.13, 4,302.87 and 1,019.17

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Solution

The fourth proportional to 2,868.13, 4,302.87 and 1,019.17 is: 1,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.13 : 4,302.87 = 1,019.17 : x
  2. Step 2: Convert to fraction form
    2,868.13/4,302.87 = 1,019.17/x
  3. Step 3: Cross multiply
    2,868.13x = 4,302.87 × 1,019.17
  4. Step 4: Simplify right side
    2,868.13x = 4,385,356.02
  5. Step 5: Solve for x
    x = 4,385,356.02/2,868.13
  6. Step 6: Final answer
    x = 1,528.99

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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.