Home / 2,225.58-3,340.40-1,186.46

Finding the Fourth Proportional to 2,225.58, 3,340.40 and 1,186.46

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Solution

The fourth proportional to 2,225.58, 3,340.40 and 1,186.46 is: 1,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.58 : 3,340.40 = 1,186.46 : x
  2. Step 2: Convert to fraction form
    2,225.58/3,340.40 = 1,186.46/x
  3. Step 3: Cross multiply
    2,225.58x = 3,340.40 × 1,186.46
  4. Step 4: Simplify right side
    2,225.58x = 3,963,250.98
  5. Step 5: Solve for x
    x = 3,963,250.98/2,225.58
  6. Step 6: Final answer
    x = 1,780.77

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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.