Home / 4,005.60-5,528-2,433.76

Finding the Fourth Proportional to 4,005.60, 5,528 and 2,433.76

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Solution

The fourth proportional to 4,005.60, 5,528 and 2,433.76 is: 3,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.60 : 5,528 = 2,433.76 : x
  2. Step 2: Convert to fraction form
    4,005.60/5,528 = 2,433.76/x
  3. Step 3: Cross multiply
    4,005.60x = 5,528 × 2,433.76
  4. Step 4: Simplify right side
    4,005.60x = 13,453,825.28
  5. Step 5: Solve for x
    x = 13,453,825.28/4,005.60
  6. Step 6: Final answer
    x = 3,358.75

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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.