Home / 1,973.43-2,722.15-1,441.66

Finding the Fourth Proportional to 1,973.43, 2,722.15 and 1,441.66

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Solution

The fourth proportional to 1,973.43, 2,722.15 and 1,441.66 is: 1,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.43 : 2,722.15 = 1,441.66 : x
  2. Step 2: Convert to fraction form
    1,973.43/2,722.15 = 1,441.66/x
  3. Step 3: Cross multiply
    1,973.43x = 2,722.15 × 1,441.66
  4. Step 4: Simplify right side
    1,973.43x = 3,924,411.16
  5. Step 5: Solve for x
    x = 3,924,411.16/1,973.43
  6. Step 6: Final answer
    x = 1,988.63

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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.