Home / 2,208.76-3,048.54-1,277.56

Finding the Fourth Proportional to 2,208.76, 3,048.54 and 1,277.56

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Solution

The fourth proportional to 2,208.76, 3,048.54 and 1,277.56 is: 1,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.76 : 3,048.54 = 1,277.56 : x
  2. Step 2: Convert to fraction form
    2,208.76/3,048.54 = 1,277.56/x
  3. Step 3: Cross multiply
    2,208.76x = 3,048.54 × 1,277.56
  4. Step 4: Simplify right side
    2,208.76x = 3,894,692.76
  5. Step 5: Solve for x
    x = 3,894,692.76/2,208.76
  6. Step 6: Final answer
    x = 1,763.29

Related Problems

Find fourth proportional to 1,104.38, 1,524.27 and 638.78
Half scale
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Double scale
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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.