Home / 1,724.18-2,580.51-1,310.99

Finding the Fourth Proportional to 1,724.18, 2,580.51 and 1,310.99

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Solution

The fourth proportional to 1,724.18, 2,580.51 and 1,310.99 is: 1,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.18 : 2,580.51 = 1,310.99 : x
  2. Step 2: Convert to fraction form
    1,724.18/2,580.51 = 1,310.99/x
  3. Step 3: Cross multiply
    1,724.18x = 2,580.51 × 1,310.99
  4. Step 4: Simplify right side
    1,724.18x = 3,383,029.26
  5. Step 5: Solve for x
    x = 3,383,029.26/1,724.18
  6. Step 6: Final answer
    x = 1,962.11

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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.