Home / 3,393.15-5,090.04-1,053.18

Finding the Fourth Proportional to 3,393.15, 5,090.04 and 1,053.18

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Solution

The fourth proportional to 3,393.15, 5,090.04 and 1,053.18 is: 1,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.15 : 5,090.04 = 1,053.18 : x
  2. Step 2: Convert to fraction form
    3,393.15/5,090.04 = 1,053.18/x
  3. Step 3: Cross multiply
    3,393.15x = 5,090.04 × 1,053.18
  4. Step 4: Simplify right side
    3,393.15x = 5,360,713.19
  5. Step 5: Solve for x
    x = 5,360,713.19/3,393.15
  6. Step 6: Final answer
    x = 1,579.87

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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.