Home / 3,763.30-5,645.55-1,570.90

Finding the Fourth Proportional to 3,763.30, 5,645.55 and 1,570.90

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Solution

The fourth proportional to 3,763.30, 5,645.55 and 1,570.90 is: 2,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.30 : 5,645.55 = 1,570.90 : x
  2. Step 2: Convert to fraction form
    3,763.30/5,645.55 = 1,570.90/x
  3. Step 3: Cross multiply
    3,763.30x = 5,645.55 × 1,570.90
  4. Step 4: Simplify right side
    3,763.30x = 8,868,594.50
  5. Step 5: Solve for x
    x = 8,868,594.50/3,763.30
  6. Step 6: Final answer
    x = 2,356.60

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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.