Home / 3,005.20-4,499.70-2,357.20

Finding the Fourth Proportional to 3,005.20, 4,499.70 and 2,357.20

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Solution

The fourth proportional to 3,005.20, 4,499.70 and 2,357.20 is: 3,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.20 : 4,499.70 = 2,357.20 : x
  2. Step 2: Convert to fraction form
    3,005.20/4,499.70 = 2,357.20/x
  3. Step 3: Cross multiply
    3,005.20x = 4,499.70 × 2,357.20
  4. Step 4: Simplify right side
    3,005.20x = 10,606,692.84
  5. Step 5: Solve for x
    x = 10,606,692.84/3,005.20
  6. Step 6: Final answer
    x = 3,529.45

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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.