Home / 3,159.28-4,359.75-1,743.10

Finding the Fourth Proportional to 3,159.28, 4,359.75 and 1,743.10

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Solution

The fourth proportional to 3,159.28, 4,359.75 and 1,743.10 is: 2,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.28 : 4,359.75 = 1,743.10 : x
  2. Step 2: Convert to fraction form
    3,159.28/4,359.75 = 1,743.10/x
  3. Step 3: Cross multiply
    3,159.28x = 4,359.75 × 1,743.10
  4. Step 4: Simplify right side
    3,159.28x = 7,599,480.23
  5. Step 5: Solve for x
    x = 7,599,480.23/3,159.28
  6. Step 6: Final answer
    x = 2,405.45

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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.