Home / 3,159.09-4,360.50-1,833.12

Finding the Fourth Proportional to 3,159.09, 4,360.50 and 1,833.12

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Solution

The fourth proportional to 3,159.09, 4,360.50 and 1,833.12 is: 2,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.09 : 4,360.50 = 1,833.12 : x
  2. Step 2: Convert to fraction form
    3,159.09/4,360.50 = 1,833.12/x
  3. Step 3: Cross multiply
    3,159.09x = 4,360.50 × 1,833.12
  4. Step 4: Simplify right side
    3,159.09x = 7,993,319.76
  5. Step 5: Solve for x
    x = 7,993,319.76/3,159.09
  6. Step 6: Final answer
    x = 2,530.26

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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.