Home / 3,415.07-5,122.70-1,334.99

Finding the Fourth Proportional to 3,415.07, 5,122.70 and 1,334.99

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Solution

The fourth proportional to 3,415.07, 5,122.70 and 1,334.99 is: 2,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.07 : 5,122.70 = 1,334.99 : x
  2. Step 2: Convert to fraction form
    3,415.07/5,122.70 = 1,334.99/x
  3. Step 3: Cross multiply
    3,415.07x = 5,122.70 × 1,334.99
  4. Step 4: Simplify right side
    3,415.07x = 6,838,753.27
  5. Step 5: Solve for x
    x = 6,838,753.27/3,415.07
  6. Step 6: Final answer
    x = 2,002.52

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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.