Home / 2,802.80-4,200.52-1,157.04

Finding the Fourth Proportional to 2,802.80, 4,200.52 and 1,157.04

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Solution

The fourth proportional to 2,802.80, 4,200.52 and 1,157.04 is: 1,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.80 : 4,200.52 = 1,157.04 : x
  2. Step 2: Convert to fraction form
    2,802.80/4,200.52 = 1,157.04/x
  3. Step 3: Cross multiply
    2,802.80x = 4,200.52 × 1,157.04
  4. Step 4: Simplify right side
    2,802.80x = 4,860,169.66
  5. Step 5: Solve for x
    x = 4,860,169.66/2,802.80
  6. Step 6: Final answer
    x = 1,734.04

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1.5x scale

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.