Home / 3,340.54-5,011.26-1,392.28

Finding the Fourth Proportional to 3,340.54, 5,011.26 and 1,392.28

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Solution

The fourth proportional to 3,340.54, 5,011.26 and 1,392.28 is: 2,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.54 : 5,011.26 = 1,392.28 : x
  2. Step 2: Convert to fraction form
    3,340.54/5,011.26 = 1,392.28/x
  3. Step 3: Cross multiply
    3,340.54x = 5,011.26 × 1,392.28
  4. Step 4: Simplify right side
    3,340.54x = 6,977,077.07
  5. Step 5: Solve for x
    x = 6,977,077.07/3,340.54
  6. Step 6: Final answer
    x = 2,088.61

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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.