Home / 1,625.37-2,432.58-1,228.97

Finding the Fourth Proportional to 1,625.37, 2,432.58 and 1,228.97

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Solution

The fourth proportional to 1,625.37, 2,432.58 and 1,228.97 is: 1,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.37 : 2,432.58 = 1,228.97 : x
  2. Step 2: Convert to fraction form
    1,625.37/2,432.58 = 1,228.97/x
  3. Step 3: Cross multiply
    1,625.37x = 2,432.58 × 1,228.97
  4. Step 4: Simplify right side
    1,625.37x = 2,989,576.23
  5. Step 5: Solve for x
    x = 2,989,576.23/1,625.37
  6. Step 6: Final answer
    x = 1,839.32

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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.