Home / 2,920.60-4,376.04-2,053.09

Finding the Fourth Proportional to 2,920.60, 4,376.04 and 2,053.09

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Solution

The fourth proportional to 2,920.60, 4,376.04 and 2,053.09 is: 3,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.60 : 4,376.04 = 2,053.09 : x
  2. Step 2: Convert to fraction form
    2,920.60/4,376.04 = 2,053.09/x
  3. Step 3: Cross multiply
    2,920.60x = 4,376.04 × 2,053.09
  4. Step 4: Simplify right side
    2,920.60x = 8,984,403.96
  5. Step 5: Solve for x
    x = 8,984,403.96/2,920.60
  6. Step 6: Final answer
    x = 3,076.22

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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.