Home / 2,885.76-3,977.28-2,298.24

Finding the Fourth Proportional to 2,885.76, 3,977.28 and 2,298.24

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Solution

The fourth proportional to 2,885.76, 3,977.28 and 2,298.24 is: 3,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.76 : 3,977.28 = 2,298.24 : x
  2. Step 2: Convert to fraction form
    2,885.76/3,977.28 = 2,298.24/x
  3. Step 3: Cross multiply
    2,885.76x = 3,977.28 × 2,298.24
  4. Step 4: Simplify right side
    2,885.76x = 9,140,743.99
  5. Step 5: Solve for x
    x = 9,140,743.99/2,885.76
  6. Step 6: Final answer
    x = 3,167.53

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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.