Home / 2,919.54-4,028.48-1,740.18

Finding the Fourth Proportional to 2,919.54, 4,028.48 and 1,740.18

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Solution

The fourth proportional to 2,919.54, 4,028.48 and 1,740.18 is: 2,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.54 : 4,028.48 = 1,740.18 : x
  2. Step 2: Convert to fraction form
    2,919.54/4,028.48 = 1,740.18/x
  3. Step 3: Cross multiply
    2,919.54x = 4,028.48 × 1,740.18
  4. Step 4: Simplify right side
    2,919.54x = 7,010,280.33
  5. Step 5: Solve for x
    x = 7,010,280.33/2,919.54
  6. Step 6: Final answer
    x = 2,401.16

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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.