Home / 3,746.70-5,168.79-2,253.76

Finding the Fourth Proportional to 3,746.70, 5,168.79 and 2,253.76

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Solution

The fourth proportional to 3,746.70, 5,168.79 and 2,253.76 is: 3,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.70 : 5,168.79 = 2,253.76 : x
  2. Step 2: Convert to fraction form
    3,746.70/5,168.79 = 2,253.76/x
  3. Step 3: Cross multiply
    3,746.70x = 5,168.79 × 2,253.76
  4. Step 4: Simplify right side
    3,746.70x = 11,649,199.23
  5. Step 5: Solve for x
    x = 11,649,199.23/3,746.70
  6. Step 6: Final answer
    x = 3,109.19

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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.