Home / 3,762.85-5,645.18-1,570.36

Finding the Fourth Proportional to 3,762.85, 5,645.18 and 1,570.36

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Solution

The fourth proportional to 3,762.85, 5,645.18 and 1,570.36 is: 2,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.85 : 5,645.18 = 1,570.36 : x
  2. Step 2: Convert to fraction form
    3,762.85/5,645.18 = 1,570.36/x
  3. Step 3: Cross multiply
    3,762.85x = 5,645.18 × 1,570.36
  4. Step 4: Simplify right side
    3,762.85x = 8,864,957.01
  5. Step 5: Solve for x
    x = 8,864,957.01/3,762.85
  6. Step 6: Final answer
    x = 2,355.92

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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.