Home / 3,345.70-5,018.55-1,396.84

Finding the Fourth Proportional to 3,345.70, 5,018.55 and 1,396.84

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Solution

The fourth proportional to 3,345.70, 5,018.55 and 1,396.84 is: 2,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.70 : 5,018.55 = 1,396.84 : x
  2. Step 2: Convert to fraction form
    3,345.70/5,018.55 = 1,396.84/x
  3. Step 3: Cross multiply
    3,345.70x = 5,018.55 × 1,396.84
  4. Step 4: Simplify right side
    3,345.70x = 7,010,111.38
  5. Step 5: Solve for x
    x = 7,010,111.38/3,345.70
  6. Step 6: Final answer
    x = 2,095.26

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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.