Home / 2,219.24-3,059.70-1,519.40

Finding the Fourth Proportional to 2,219.24, 3,059.70 and 1,519.40

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Solution

The fourth proportional to 2,219.24, 3,059.70 and 1,519.40 is: 2,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.24 : 3,059.70 = 1,519.40 : x
  2. Step 2: Convert to fraction form
    2,219.24/3,059.70 = 1,519.40/x
  3. Step 3: Cross multiply
    2,219.24x = 3,059.70 × 1,519.40
  4. Step 4: Simplify right side
    2,219.24x = 4,648,908.18
  5. Step 5: Solve for x
    x = 4,648,908.18/2,219.24
  6. Step 6: Final answer
    x = 2,094.82

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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.