Home / 1,525.41-2,291.13-1,439.43

Finding the Fourth Proportional to 1,525.41, 2,291.13 and 1,439.43

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Solution

The fourth proportional to 1,525.41, 2,291.13 and 1,439.43 is: 2,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.41 : 2,291.13 = 1,439.43 : x
  2. Step 2: Convert to fraction form
    1,525.41/2,291.13 = 1,439.43/x
  3. Step 3: Cross multiply
    1,525.41x = 2,291.13 × 1,439.43
  4. Step 4: Simplify right side
    1,525.41x = 3,297,921.26
  5. Step 5: Solve for x
    x = 3,297,921.26/1,525.41
  6. Step 6: Final answer
    x = 2,161.99

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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.