Home / 1,625.28-2,439.53-895.20

Finding the Fourth Proportional to 1,625.28, 2,439.53 and 895.20

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Solution

The fourth proportional to 1,625.28, 2,439.53 and 895.20 is: 1,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.28 : 2,439.53 = 895.20 : x
  2. Step 2: Convert to fraction form
    1,625.28/2,439.53 = 895.20/x
  3. Step 3: Cross multiply
    1,625.28x = 2,439.53 × 895.20
  4. Step 4: Simplify right side
    1,625.28x = 2,183,867.26
  5. Step 5: Solve for x
    x = 2,183,867.26/1,625.28
  6. Step 6: Final answer
    x = 1,343.69

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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.