Home / 3,490.03-5,233.68-1,409.65

Finding the Fourth Proportional to 3,490.03, 5,233.68 and 1,409.65

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Solution

The fourth proportional to 3,490.03, 5,233.68 and 1,409.65 is: 2,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.03 : 5,233.68 = 1,409.65 : x
  2. Step 2: Convert to fraction form
    3,490.03/5,233.68 = 1,409.65/x
  3. Step 3: Cross multiply
    3,490.03x = 5,233.68 × 1,409.65
  4. Step 4: Simplify right side
    3,490.03x = 7,377,643.93
  5. Step 5: Solve for x
    x = 7,377,643.93/3,490.03
  6. Step 6: Final answer
    x = 2,113.92

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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.