Home / 3,611.20-5,417.70-1,014.13

Finding the Fourth Proportional to 3,611.20, 5,417.70 and 1,014.13

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Solution

The fourth proportional to 3,611.20, 5,417.70 and 1,014.13 is: 1,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.20 : 5,417.70 = 1,014.13 : x
  2. Step 2: Convert to fraction form
    3,611.20/5,417.70 = 1,014.13/x
  3. Step 3: Cross multiply
    3,611.20x = 5,417.70 × 1,014.13
  4. Step 4: Simplify right side
    3,611.20x = 5,494,252.10
  5. Step 5: Solve for x
    x = 5,494,252.10/3,611.20
  6. Step 6: Final answer
    x = 1,521.45

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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.