Home / 3,454.15-5,182.75-1,810.30

Finding the Fourth Proportional to 3,454.15, 5,182.75 and 1,810.30

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Solution

The fourth proportional to 3,454.15, 5,182.75 and 1,810.30 is: 2,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.15 : 5,182.75 = 1,810.30 : x
  2. Step 2: Convert to fraction form
    3,454.15/5,182.75 = 1,810.30/x
  3. Step 3: Cross multiply
    3,454.15x = 5,182.75 × 1,810.30
  4. Step 4: Simplify right side
    3,454.15x = 9,382,332.33
  5. Step 5: Solve for x
    x = 9,382,332.33/3,454.15
  6. Step 6: Final answer
    x = 2,716.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.