Home / 4,221.60-5,826.93-2,429.28

Finding the Fourth Proportional to 4,221.60, 5,826.93 and 2,429.28

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Solution

The fourth proportional to 4,221.60, 5,826.93 and 2,429.28 is: 3,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.60 : 5,826.93 = 2,429.28 : x
  2. Step 2: Convert to fraction form
    4,221.60/5,826.93 = 2,429.28/x
  3. Step 3: Cross multiply
    4,221.60x = 5,826.93 × 2,429.28
  4. Step 4: Simplify right side
    4,221.60x = 14,155,215.38
  5. Step 5: Solve for x
    x = 14,155,215.38/4,221.60
  6. Step 6: Final answer
    x = 3,353.05

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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.