Home / 2,904.20-4,346.70-2,040.20

Finding the Fourth Proportional to 2,904.20, 4,346.70 and 2,040.20

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Solution

The fourth proportional to 2,904.20, 4,346.70 and 2,040.20 is: 3,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.20 : 4,346.70 = 2,040.20 : x
  2. Step 2: Convert to fraction form
    2,904.20/4,346.70 = 2,040.20/x
  3. Step 3: Cross multiply
    2,904.20x = 4,346.70 × 2,040.20
  4. Step 4: Simplify right side
    2,904.20x = 8,868,137.34
  5. Step 5: Solve for x
    x = 8,868,137.34/2,904.20
  6. Step 6: Final answer
    x = 3,053.56

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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.