Home / 3,756.17-5,169.22-2,913.57

Finding the Fourth Proportional to 3,756.17, 5,169.22 and 2,913.57

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Solution

The fourth proportional to 3,756.17, 5,169.22 and 2,913.57 is: 4,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.17 : 5,169.22 = 2,913.57 : x
  2. Step 2: Convert to fraction form
    3,756.17/5,169.22 = 2,913.57/x
  3. Step 3: Cross multiply
    3,756.17x = 5,169.22 × 2,913.57
  4. Step 4: Simplify right side
    3,756.17x = 15,060,877.03
  5. Step 5: Solve for x
    x = 15,060,877.03/3,756.17
  6. Step 6: Final answer
    x = 4,009.63

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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.