Home / 1,250.10-1,722.60-1,184.22

Finding the Fourth Proportional to 1,250.10, 1,722.60 and 1,184.22

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Solution

The fourth proportional to 1,250.10, 1,722.60 and 1,184.22 is: 1,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.10 : 1,722.60 = 1,184.22 : x
  2. Step 2: Convert to fraction form
    1,250.10/1,722.60 = 1,184.22/x
  3. Step 3: Cross multiply
    1,250.10x = 1,722.60 × 1,184.22
  4. Step 4: Simplify right side
    1,250.10x = 2,039,937.37
  5. Step 5: Solve for x
    x = 2,039,937.37/1,250.10
  6. Step 6: Final answer
    x = 1,631.82

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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.