Home / 3,161.92-4,742.28-1,053.57

Finding the Fourth Proportional to 3,161.92, 4,742.28 and 1,053.57

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Solution

The fourth proportional to 3,161.92, 4,742.28 and 1,053.57 is: 1,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.92 : 4,742.28 = 1,053.57 : x
  2. Step 2: Convert to fraction form
    3,161.92/4,742.28 = 1,053.57/x
  3. Step 3: Cross multiply
    3,161.92x = 4,742.28 × 1,053.57
  4. Step 4: Simplify right side
    3,161.92x = 4,996,323.94
  5. Step 5: Solve for x
    x = 4,996,323.94/3,161.92
  6. Step 6: Final answer
    x = 1,580.16

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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.