Home / 1,752.18-2,416.22-1,280.14

Finding the Fourth Proportional to 1,752.18, 2,416.22 and 1,280.14

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Solution

The fourth proportional to 1,752.18, 2,416.22 and 1,280.14 is: 1,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.18 : 2,416.22 = 1,280.14 : x
  2. Step 2: Convert to fraction form
    1,752.18/2,416.22 = 1,280.14/x
  3. Step 3: Cross multiply
    1,752.18x = 2,416.22 × 1,280.14
  4. Step 4: Simplify right side
    1,752.18x = 3,093,099.87
  5. Step 5: Solve for x
    x = 3,093,099.87/1,752.18
  6. Step 6: Final answer
    x = 1,765.29

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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.