Home / 3,611.70-4,977.45-2,726.10

Finding the Fourth Proportional to 3,611.70, 4,977.45 and 2,726.10

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Solution

The fourth proportional to 3,611.70, 4,977.45 and 2,726.10 is: 3,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.70 : 4,977.45 = 2,726.10 : x
  2. Step 2: Convert to fraction form
    3,611.70/4,977.45 = 2,726.10/x
  3. Step 3: Cross multiply
    3,611.70x = 4,977.45 × 2,726.10
  4. Step 4: Simplify right side
    3,611.70x = 13,569,026.45
  5. Step 5: Solve for x
    x = 13,569,026.45/3,611.70
  6. Step 6: Final answer
    x = 3,756.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.