Home / 2,802.25-4,205.40-1,070.88

Finding the Fourth Proportional to 2,802.25, 4,205.40 and 1,070.88

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Solution

The fourth proportional to 2,802.25, 4,205.40 and 1,070.88 is: 1,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.25 : 4,205.40 = 1,070.88 : x
  2. Step 2: Convert to fraction form
    2,802.25/4,205.40 = 1,070.88/x
  3. Step 3: Cross multiply
    2,802.25x = 4,205.40 × 1,070.88
  4. Step 4: Simplify right side
    2,802.25x = 4,503,478.75
  5. Step 5: Solve for x
    x = 4,503,478.75/2,802.25
  6. Step 6: Final answer
    x = 1,607.09

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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.