Home / 2,048.60-2,826.26-1,261.28

Finding the Fourth Proportional to 2,048.60, 2,826.26 and 1,261.28

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Solution

The fourth proportional to 2,048.60, 2,826.26 and 1,261.28 is: 1,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.60 : 2,826.26 = 1,261.28 : x
  2. Step 2: Convert to fraction form
    2,048.60/2,826.26 = 1,261.28/x
  3. Step 3: Cross multiply
    2,048.60x = 2,826.26 × 1,261.28
  4. Step 4: Simplify right side
    2,048.60x = 3,564,707.20
  5. Step 5: Solve for x
    x = 3,564,707.20/2,048.60
  6. Step 6: Final answer
    x = 1,740.07

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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.