Home / 2,861.04-4,290.24-1,129.24

Finding the Fourth Proportional to 2,861.04, 4,290.24 and 1,129.24

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Solution

The fourth proportional to 2,861.04, 4,290.24 and 1,129.24 is: 1,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.04 : 4,290.24 = 1,129.24 : x
  2. Step 2: Convert to fraction form
    2,861.04/4,290.24 = 1,129.24/x
  3. Step 3: Cross multiply
    2,861.04x = 4,290.24 × 1,129.24
  4. Step 4: Simplify right side
    2,861.04x = 4,844,710.62
  5. Step 5: Solve for x
    x = 4,844,710.62/2,861.04
  6. Step 6: Final answer
    x = 1,693.34

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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.