Home / 2,861.30-4,292.36-1,400.53

Finding the Fourth Proportional to 2,861.30, 4,292.36 and 1,400.53

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Solution

The fourth proportional to 2,861.30, 4,292.36 and 1,400.53 is: 2,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.30 : 4,292.36 = 1,400.53 : x
  2. Step 2: Convert to fraction form
    2,861.30/4,292.36 = 1,400.53/x
  3. Step 3: Cross multiply
    2,861.30x = 4,292.36 × 1,400.53
  4. Step 4: Simplify right side
    2,861.30x = 6,011,578.95
  5. Step 5: Solve for x
    x = 6,011,578.95/2,861.30
  6. Step 6: Final answer
    x = 2,101.00

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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.