Home / 3,333.51-4,997.55-1,387.17

Finding the Fourth Proportional to 3,333.51, 4,997.55 and 1,387.17

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Solution

The fourth proportional to 3,333.51, 4,997.55 and 1,387.17 is: 2,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.51 : 4,997.55 = 1,387.17 : x
  2. Step 2: Convert to fraction form
    3,333.51/4,997.55 = 1,387.17/x
  3. Step 3: Cross multiply
    3,333.51x = 4,997.55 × 1,387.17
  4. Step 4: Simplify right side
    3,333.51x = 6,932,426.45
  5. Step 5: Solve for x
    x = 6,932,426.45/3,333.51
  6. Step 6: Final answer
    x = 2,079.62

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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.