Home / 3,345.25-5,017.77-1,591.52

Finding the Fourth Proportional to 3,345.25, 5,017.77 and 1,591.52

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Solution

The fourth proportional to 3,345.25, 5,017.77 and 1,591.52 is: 2,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.25 : 5,017.77 = 1,591.52 : x
  2. Step 2: Convert to fraction form
    3,345.25/5,017.77 = 1,591.52/x
  3. Step 3: Cross multiply
    3,345.25x = 5,017.77 × 1,591.52
  4. Step 4: Simplify right side
    3,345.25x = 7,985,881.31
  5. Step 5: Solve for x
    x = 7,985,881.31/3,345.25
  6. Step 6: Final answer
    x = 2,387.23

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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.