Home / 2,041.26-2,820.96-1,543.71

Finding the Fourth Proportional to 2,041.26, 2,820.96 and 1,543.71

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Solution

The fourth proportional to 2,041.26, 2,820.96 and 1,543.71 is: 2,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.26 : 2,820.96 = 1,543.71 : x
  2. Step 2: Convert to fraction form
    2,041.26/2,820.96 = 1,543.71/x
  3. Step 3: Cross multiply
    2,041.26x = 2,820.96 × 1,543.71
  4. Step 4: Simplify right side
    2,041.26x = 4,354,744.16
  5. Step 5: Solve for x
    x = 4,354,744.16/2,041.26
  6. Step 6: Final answer
    x = 2,133.36

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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.