Home / 3,487.97-5,233.40-1,409.45

Finding the Fourth Proportional to 3,487.97, 5,233.40 and 1,409.45

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Solution

The fourth proportional to 3,487.97, 5,233.40 and 1,409.45 is: 2,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.97 : 5,233.40 = 1,409.45 : x
  2. Step 2: Convert to fraction form
    3,487.97/5,233.40 = 1,409.45/x
  3. Step 3: Cross multiply
    3,487.97x = 5,233.40 × 1,409.45
  4. Step 4: Simplify right side
    3,487.97x = 7,376,192.99
  5. Step 5: Solve for x
    x = 7,376,192.99/3,487.97
  6. Step 6: Final answer
    x = 2,114.75

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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.