Home / 3,393.12-5,090-1,053.15

Finding the Fourth Proportional to 3,393.12, 5,090 and 1,053.15

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Solution

The fourth proportional to 3,393.12, 5,090 and 1,053.15 is: 1,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.12 : 5,090 = 1,053.15 : x
  2. Step 2: Convert to fraction form
    3,393.12/5,090 = 1,053.15/x
  3. Step 3: Cross multiply
    3,393.12x = 5,090 × 1,053.15
  4. Step 4: Simplify right side
    3,393.12x = 5,360,533.50
  5. Step 5: Solve for x
    x = 5,360,533.50/3,393.12
  6. Step 6: Final answer
    x = 1,579.82

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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.