Home / 3,066.90-4,232.40-1,740.80

Finding the Fourth Proportional to 3,066.90, 4,232.40 and 1,740.80

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Solution

The fourth proportional to 3,066.90, 4,232.40 and 1,740.80 is: 2,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.90 : 4,232.40 = 1,740.80 : x
  2. Step 2: Convert to fraction form
    3,066.90/4,232.40 = 1,740.80/x
  3. Step 3: Cross multiply
    3,066.90x = 4,232.40 × 1,740.80
  4. Step 4: Simplify right side
    3,066.90x = 7,367,761.92
  5. Step 5: Solve for x
    x = 7,367,761.92/3,066.90
  6. Step 6: Final answer
    x = 2,402.35

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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.