Home / 3,362.84-5,042.80-1,387.08

Finding the Fourth Proportional to 3,362.84, 5,042.80 and 1,387.08

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Solution

The fourth proportional to 3,362.84, 5,042.80 and 1,387.08 is: 2,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.84 : 5,042.80 = 1,387.08 : x
  2. Step 2: Convert to fraction form
    3,362.84/5,042.80 = 1,387.08/x
  3. Step 3: Cross multiply
    3,362.84x = 5,042.80 × 1,387.08
  4. Step 4: Simplify right side
    3,362.84x = 6,994,767.02
  5. Step 5: Solve for x
    x = 6,994,767.02/3,362.84
  6. Step 6: Final answer
    x = 2,080.02

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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.