Home / 3,210.90-4,813.04-1,565.41

Finding the Fourth Proportional to 3,210.90, 4,813.04 and 1,565.41

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Solution

The fourth proportional to 3,210.90, 4,813.04 and 1,565.41 is: 2,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.90 : 4,813.04 = 1,565.41 : x
  2. Step 2: Convert to fraction form
    3,210.90/4,813.04 = 1,565.41/x
  3. Step 3: Cross multiply
    3,210.90x = 4,813.04 × 1,565.41
  4. Step 4: Simplify right side
    3,210.90x = 7,534,380.95
  5. Step 5: Solve for x
    x = 7,534,380.95/3,210.90
  6. Step 6: Final answer
    x = 2,346.50

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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.