Home / 2,424.06-3,636.23-780.17

Finding the Fourth Proportional to 2,424.06, 3,636.23 and 780.17

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Solution

The fourth proportional to 2,424.06, 3,636.23 and 780.17 is: 1,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.06 : 3,636.23 = 780.17 : x
  2. Step 2: Convert to fraction form
    2,424.06/3,636.23 = 780.17/x
  3. Step 3: Cross multiply
    2,424.06x = 3,636.23 × 780.17
  4. Step 4: Simplify right side
    2,424.06x = 2,836,855.48
  5. Step 5: Solve for x
    x = 2,836,855.48/2,424.06
  6. Step 6: Final answer
    x = 1,170.29

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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.