Home / 2,280.51-3,147.33-1,336.24

Finding the Fourth Proportional to 2,280.51, 3,147.33 and 1,336.24

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Solution

The fourth proportional to 2,280.51, 3,147.33 and 1,336.24 is: 1,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.51 : 3,147.33 = 1,336.24 : x
  2. Step 2: Convert to fraction form
    2,280.51/3,147.33 = 1,336.24/x
  3. Step 3: Cross multiply
    2,280.51x = 3,147.33 × 1,336.24
  4. Step 4: Simplify right side
    2,280.51x = 4,205,588.24
  5. Step 5: Solve for x
    x = 4,205,588.24/2,280.51
  6. Step 6: Final answer
    x = 1,844.14

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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.