Home / 3,543.90-5,312.42-1,984.66

Finding the Fourth Proportional to 3,543.90, 5,312.42 and 1,984.66

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Solution

The fourth proportional to 3,543.90, 5,312.42 and 1,984.66 is: 2,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.90 : 5,312.42 = 1,984.66 : x
  2. Step 2: Convert to fraction form
    3,543.90/5,312.42 = 1,984.66/x
  3. Step 3: Cross multiply
    3,543.90x = 5,312.42 × 1,984.66
  4. Step 4: Simplify right side
    3,543.90x = 10,543,347.48
  5. Step 5: Solve for x
    x = 10,543,347.48/3,543.90
  6. Step 6: Final answer
    x = 2,975.07

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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.