Home / 3,291.74-4,542.69-1,799.72

Finding the Fourth Proportional to 3,291.74, 4,542.69 and 1,799.72

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Solution

The fourth proportional to 3,291.74, 4,542.69 and 1,799.72 is: 2,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.74 : 4,542.69 = 1,799.72 : x
  2. Step 2: Convert to fraction form
    3,291.74/4,542.69 = 1,799.72/x
  3. Step 3: Cross multiply
    3,291.74x = 4,542.69 × 1,799.72
  4. Step 4: Simplify right side
    3,291.74x = 8,175,547.33
  5. Step 5: Solve for x
    x = 8,175,547.33/3,291.74
  6. Step 6: Final answer
    x = 2,483.66

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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.