Home / 2,084.88-2,876.96-1,153.40

Finding the Fourth Proportional to 2,084.88, 2,876.96 and 1,153.40

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Solution

The fourth proportional to 2,084.88, 2,876.96 and 1,153.40 is: 1,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.88 : 2,876.96 = 1,153.40 : x
  2. Step 2: Convert to fraction form
    2,084.88/2,876.96 = 1,153.40/x
  3. Step 3: Cross multiply
    2,084.88x = 2,876.96 × 1,153.40
  4. Step 4: Simplify right side
    2,084.88x = 3,318,285.66
  5. Step 5: Solve for x
    x = 3,318,285.66/2,084.88
  6. Step 6: Final answer
    x = 1,591.60

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1.5x scale

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.