Home / 2,921.68-4,033.02-1,743.40

Finding the Fourth Proportional to 2,921.68, 4,033.02 and 1,743.40

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Solution

The fourth proportional to 2,921.68, 4,033.02 and 1,743.40 is: 2,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.68 : 4,033.02 = 1,743.40 : x
  2. Step 2: Convert to fraction form
    2,921.68/4,033.02 = 1,743.40/x
  3. Step 3: Cross multiply
    2,921.68x = 4,033.02 × 1,743.40
  4. Step 4: Simplify right side
    2,921.68x = 7,031,167.07
  5. Step 5: Solve for x
    x = 7,031,167.07/2,921.68
  6. Step 6: Final answer
    x = 2,406.55

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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.