Home / 3,182.90-4,776.09-1,235.18

Finding the Fourth Proportional to 3,182.90, 4,776.09 and 1,235.18

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Solution

The fourth proportional to 3,182.90, 4,776.09 and 1,235.18 is: 1,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.90 : 4,776.09 = 1,235.18 : x
  2. Step 2: Convert to fraction form
    3,182.90/4,776.09 = 1,235.18/x
  3. Step 3: Cross multiply
    3,182.90x = 4,776.09 × 1,235.18
  4. Step 4: Simplify right side
    3,182.90x = 5,899,330.85
  5. Step 5: Solve for x
    x = 5,899,330.85/3,182.90
  6. Step 6: Final answer
    x = 1,853.45

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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.