Home / 3,345.94-5,015.22-2,521.57

Finding the Fourth Proportional to 3,345.94, 5,015.22 and 2,521.57

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Solution

The fourth proportional to 3,345.94, 5,015.22 and 2,521.57 is: 3,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.94 : 5,015.22 = 2,521.57 : x
  2. Step 2: Convert to fraction form
    3,345.94/5,015.22 = 2,521.57/x
  3. Step 3: Cross multiply
    3,345.94x = 5,015.22 × 2,521.57
  4. Step 4: Simplify right side
    3,345.94x = 12,646,228.30
  5. Step 5: Solve for x
    x = 12,646,228.30/3,345.94
  6. Step 6: Final answer
    x = 3,779.57

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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.