Home / 3,570.32-5,355.12-1,488.80

Finding the Fourth Proportional to 3,570.32, 5,355.12 and 1,488.80

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Solution

The fourth proportional to 3,570.32, 5,355.12 and 1,488.80 is: 2,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.32 : 5,355.12 = 1,488.80 : x
  2. Step 2: Convert to fraction form
    3,570.32/5,355.12 = 1,488.80/x
  3. Step 3: Cross multiply
    3,570.32x = 5,355.12 × 1,488.80
  4. Step 4: Simplify right side
    3,570.32x = 7,972,702.66
  5. Step 5: Solve for x
    x = 7,972,702.66/3,570.32
  6. Step 6: Final answer
    x = 2,233.05

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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.