Home / 1,845.50-2,546.80-1,017.50

Finding the Fourth Proportional to 1,845.50, 2,546.80 and 1,017.50

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Solution

The fourth proportional to 1,845.50, 2,546.80 and 1,017.50 is: 1,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.50 : 2,546.80 = 1,017.50 : x
  2. Step 2: Convert to fraction form
    1,845.50/2,546.80 = 1,017.50/x
  3. Step 3: Cross multiply
    1,845.50x = 2,546.80 × 1,017.50
  4. Step 4: Simplify right side
    1,845.50x = 2,591,369
  5. Step 5: Solve for x
    x = 2,591,369/1,845.50
  6. Step 6: Final answer
    x = 1,404.16

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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.