Home / 4,068.99-5,615.20-2,300.57

Finding the Fourth Proportional to 4,068.99, 5,615.20 and 2,300.57

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Solution

The fourth proportional to 4,068.99, 5,615.20 and 2,300.57 is: 3,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.99 : 5,615.20 = 2,300.57 : x
  2. Step 2: Convert to fraction form
    4,068.99/5,615.20 = 2,300.57/x
  3. Step 3: Cross multiply
    4,068.99x = 5,615.20 × 2,300.57
  4. Step 4: Simplify right side
    4,068.99x = 12,918,160.66
  5. Step 5: Solve for x
    x = 12,918,160.66/4,068.99
  6. Step 6: Final answer
    x = 3,174.78

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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.