Home / 1,861.04-2,568.92-1,153.00

Finding the Fourth Proportional to 1,861.04, 2,568.92 and 1,153.00

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Solution

The fourth proportional to 1,861.04, 2,568.92 and 1,153.00 is: 1,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.04 : 2,568.92 = 1,153.00 : x
  2. Step 2: Convert to fraction form
    1,861.04/2,568.92 = 1,153.00/x
  3. Step 3: Cross multiply
    1,861.04x = 2,568.92 × 1,153.00
  4. Step 4: Simplify right side
    1,861.04x = 2,961,962.21
  5. Step 5: Solve for x
    x = 2,961,962.21/1,861.04
  6. Step 6: Final answer
    x = 1,591.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.