Home / 3,159.30-4,359.86-1,743.04

Finding the Fourth Proportional to 3,159.30, 4,359.86 and 1,743.04

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Solution

The fourth proportional to 3,159.30, 4,359.86 and 1,743.04 is: 2,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.30 : 4,359.86 = 1,743.04 : x
  2. Step 2: Convert to fraction form
    3,159.30/4,359.86 = 1,743.04/x
  3. Step 3: Cross multiply
    3,159.30x = 4,359.86 × 1,743.04
  4. Step 4: Simplify right side
    3,159.30x = 7,599,389.12
  5. Step 5: Solve for x
    x = 7,599,389.12/3,159.30
  6. Step 6: Final answer
    x = 2,405.40

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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.