Home / 1,618.20-2,423.70-1,250.10

Finding the Fourth Proportional to 1,618.20, 2,423.70 and 1,250.10

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Solution

The fourth proportional to 1,618.20, 2,423.70 and 1,250.10 is: 1,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.20 : 2,423.70 = 1,250.10 : x
  2. Step 2: Convert to fraction form
    1,618.20/2,423.70 = 1,250.10/x
  3. Step 3: Cross multiply
    1,618.20x = 2,423.70 × 1,250.10
  4. Step 4: Simplify right side
    1,618.20x = 3,029,867.37
  5. Step 5: Solve for x
    x = 3,029,867.37/1,618.20
  6. Step 6: Final answer
    x = 1,872.37

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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.