Home / 1,453.71-2,006.20-1,401.44

Finding the Fourth Proportional to 1,453.71, 2,006.20 and 1,401.44

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Solution

The fourth proportional to 1,453.71, 2,006.20 and 1,401.44 is: 1,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.71 : 2,006.20 = 1,401.44 : x
  2. Step 2: Convert to fraction form
    1,453.71/2,006.20 = 1,401.44/x
  3. Step 3: Cross multiply
    1,453.71x = 2,006.20 × 1,401.44
  4. Step 4: Simplify right side
    1,453.71x = 2,811,560.65
  5. Step 5: Solve for x
    x = 2,811,560.65/1,453.71
  6. Step 6: Final answer
    x = 1,934.05

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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.