Home / 3,390.60-5,084.98-1,050

Finding the Fourth Proportional to 3,390.60, 5,084.98 and 1,050

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Solution

The fourth proportional to 3,390.60, 5,084.98 and 1,050 is: 1,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.60 : 5,084.98 = 1,050 : x
  2. Step 2: Convert to fraction form
    3,390.60/5,084.98 = 1,050/x
  3. Step 3: Cross multiply
    3,390.60x = 5,084.98 × 1,050
  4. Step 4: Simplify right side
    3,390.60x = 5,339,229
  5. Step 5: Solve for x
    x = 5,339,229/3,390.60
  6. Step 6: Final answer
    x = 1,574.72

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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.