Home / 3,291.81-4,542.72-1,799.70

Finding the Fourth Proportional to 3,291.81, 4,542.72 and 1,799.70

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Solution

The fourth proportional to 3,291.81, 4,542.72 and 1,799.70 is: 2,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.81 : 4,542.72 = 1,799.70 : x
  2. Step 2: Convert to fraction form
    3,291.81/4,542.72 = 1,799.70/x
  3. Step 3: Cross multiply
    3,291.81x = 4,542.72 × 1,799.70
  4. Step 4: Simplify right side
    3,291.81x = 8,175,510.47
  5. Step 5: Solve for x
    x = 8,175,510.47/3,291.81
  6. Step 6: Final answer
    x = 2,483.60

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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.