Home / 2,763.04-4,142.68-913.52

Finding the Fourth Proportional to 2,763.04, 4,142.68 and 913.52

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Solution

The fourth proportional to 2,763.04, 4,142.68 and 913.52 is: 1,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.04 : 4,142.68 = 913.52 : x
  2. Step 2: Convert to fraction form
    2,763.04/4,142.68 = 913.52/x
  3. Step 3: Cross multiply
    2,763.04x = 4,142.68 × 913.52
  4. Step 4: Simplify right side
    2,763.04x = 3,784,421.03
  5. Step 5: Solve for x
    x = 3,784,421.03/2,763.04
  6. Step 6: Final answer
    x = 1,369.66

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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.