Home / 3,345.95-5,018.92-1,397.09

Finding the Fourth Proportional to 3,345.95, 5,018.92 and 1,397.09

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Solution

The fourth proportional to 3,345.95, 5,018.92 and 1,397.09 is: 2,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.95 : 5,018.92 = 1,397.09 : x
  2. Step 2: Convert to fraction form
    3,345.95/5,018.92 = 1,397.09/x
  3. Step 3: Cross multiply
    3,345.95x = 5,018.92 × 1,397.09
  4. Step 4: Simplify right side
    3,345.95x = 7,011,882.94
  5. Step 5: Solve for x
    x = 7,011,882.94/3,345.95
  6. Step 6: Final answer
    x = 2,095.63

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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.