Home / 2,284.74-3,151.91-1,340.60

Finding the Fourth Proportional to 2,284.74, 3,151.91 and 1,340.60

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Solution

The fourth proportional to 2,284.74, 3,151.91 and 1,340.60 is: 1,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.74 : 3,151.91 = 1,340.60 : x
  2. Step 2: Convert to fraction form
    2,284.74/3,151.91 = 1,340.60/x
  3. Step 3: Cross multiply
    2,284.74x = 3,151.91 × 1,340.60
  4. Step 4: Simplify right side
    2,284.74x = 4,225,428.08
  5. Step 5: Solve for x
    x = 4,225,428.08/2,284.74
  6. Step 6: Final answer
    x = 1,849.41

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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.