Home / 3,345.16-5,017.64-1,591.44

Finding the Fourth Proportional to 3,345.16, 5,017.64 and 1,591.44

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Solution

The fourth proportional to 3,345.16, 5,017.64 and 1,591.44 is: 2,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.16 : 5,017.64 = 1,591.44 : x
  2. Step 2: Convert to fraction form
    3,345.16/5,017.64 = 1,591.44/x
  3. Step 3: Cross multiply
    3,345.16x = 5,017.64 × 1,591.44
  4. Step 4: Simplify right side
    3,345.16x = 7,985,273.00
  5. Step 5: Solve for x
    x = 7,985,273.00/3,345.16
  6. Step 6: Final answer
    x = 2,387.11

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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.