Home / 3,555.36-5,335.47-2,460.78

Finding the Fourth Proportional to 3,555.36, 5,335.47 and 2,460.78

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Solution

The fourth proportional to 3,555.36, 5,335.47 and 2,460.78 is: 3,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.36 : 5,335.47 = 2,460.78 : x
  2. Step 2: Convert to fraction form
    3,555.36/5,335.47 = 2,460.78/x
  3. Step 3: Cross multiply
    3,555.36x = 5,335.47 × 2,460.78
  4. Step 4: Simplify right side
    3,555.36x = 13,129,417.87
  5. Step 5: Solve for x
    x = 13,129,417.87/3,555.36
  6. Step 6: Final answer
    x = 3,692.85

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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.