Home / 2,865.55-4,296.30-1,306.30

Finding the Fourth Proportional to 2,865.55, 4,296.30 and 1,306.30

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Solution

The fourth proportional to 2,865.55, 4,296.30 and 1,306.30 is: 1,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.55 : 4,296.30 = 1,306.30 : x
  2. Step 2: Convert to fraction form
    2,865.55/4,296.30 = 1,306.30/x
  3. Step 3: Cross multiply
    2,865.55x = 4,296.30 × 1,306.30
  4. Step 4: Simplify right side
    2,865.55x = 5,612,256.69
  5. Step 5: Solve for x
    x = 5,612,256.69/2,865.55
  6. Step 6: Final answer
    x = 1,958.53

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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.