Home / 4,245.60-5,859.30-2,477.78

Finding the Fourth Proportional to 4,245.60, 5,859.30 and 2,477.78

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Solution

The fourth proportional to 4,245.60, 5,859.30 and 2,477.78 is: 3,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.60 : 5,859.30 = 2,477.78 : x
  2. Step 2: Convert to fraction form
    4,245.60/5,859.30 = 2,477.78/x
  3. Step 3: Cross multiply
    4,245.60x = 5,859.30 × 2,477.78
  4. Step 4: Simplify right side
    4,245.60x = 14,518,058.32
  5. Step 5: Solve for x
    x = 14,518,058.32/4,245.60
  6. Step 6: Final answer
    x = 3,419.55

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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.