Home / 3,030.76-4,182.06-2,246.68

Finding the Fourth Proportional to 3,030.76, 4,182.06 and 2,246.68

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Solution

The fourth proportional to 3,030.76, 4,182.06 and 2,246.68 is: 3,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.76 : 4,182.06 = 2,246.68 : x
  2. Step 2: Convert to fraction form
    3,030.76/4,182.06 = 2,246.68/x
  3. Step 3: Cross multiply
    3,030.76x = 4,182.06 × 2,246.68
  4. Step 4: Simplify right side
    3,030.76x = 9,395,750.56
  5. Step 5: Solve for x
    x = 9,395,750.56/3,030.76
  6. Step 6: Final answer
    x = 3,100.13

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Half scale
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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.