Home / 2,792.07-4,189.13-1,148.74

Finding the Fourth Proportional to 2,792.07, 4,189.13 and 1,148.74

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Solution

The fourth proportional to 2,792.07, 4,189.13 and 1,148.74 is: 1,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.07 : 4,189.13 = 1,148.74 : x
  2. Step 2: Convert to fraction form
    2,792.07/4,189.13 = 1,148.74/x
  3. Step 3: Cross multiply
    2,792.07x = 4,189.13 × 1,148.74
  4. Step 4: Simplify right side
    2,792.07x = 4,812,215.45
  5. Step 5: Solve for x
    x = 4,812,215.45/2,792.07
  6. Step 6: Final answer
    x = 1,723.53

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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.