Home / 3,477.60-4,799.52-2,219.40

Finding the Fourth Proportional to 3,477.60, 4,799.52 and 2,219.40

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Solution

The fourth proportional to 3,477.60, 4,799.52 and 2,219.40 is: 3,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.60 : 4,799.52 = 2,219.40 : x
  2. Step 2: Convert to fraction form
    3,477.60/4,799.52 = 2,219.40/x
  3. Step 3: Cross multiply
    3,477.60x = 4,799.52 × 2,219.40
  4. Step 4: Simplify right side
    3,477.60x = 10,652,054.69
  5. Step 5: Solve for x
    x = 10,652,054.69/3,477.60
  6. Step 6: Final answer
    x = 3,063.05

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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.