Home / 2,320.28-3,478.90-1,070.36

Finding the Fourth Proportional to 2,320.28, 3,478.90 and 1,070.36

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Solution

The fourth proportional to 2,320.28, 3,478.90 and 1,070.36 is: 1,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.28 : 3,478.90 = 1,070.36 : x
  2. Step 2: Convert to fraction form
    2,320.28/3,478.90 = 1,070.36/x
  3. Step 3: Cross multiply
    2,320.28x = 3,478.90 × 1,070.36
  4. Step 4: Simplify right side
    2,320.28x = 3,723,675.40
  5. Step 5: Solve for x
    x = 3,723,675.40/2,320.28
  6. Step 6: Final answer
    x = 1,604.84

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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.