Home / 3,341.60-5,013.64-1,392.76

Finding the Fourth Proportional to 3,341.60, 5,013.64 and 1,392.76

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Solution

The fourth proportional to 3,341.60, 5,013.64 and 1,392.76 is: 2,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.60 : 5,013.64 = 1,392.76 : x
  2. Step 2: Convert to fraction form
    3,341.60/5,013.64 = 1,392.76/x
  3. Step 3: Cross multiply
    3,341.60x = 5,013.64 × 1,392.76
  4. Step 4: Simplify right side
    3,341.60x = 6,982,797.25
  5. Step 5: Solve for x
    x = 6,982,797.25/3,341.60
  6. Step 6: Final answer
    x = 2,089.66

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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.