Home / 2,810.09-4,215.65-962.42

Finding the Fourth Proportional to 2,810.09, 4,215.65 and 962.42

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Solution

The fourth proportional to 2,810.09, 4,215.65 and 962.42 is: 1,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.09 : 4,215.65 = 962.42 : x
  2. Step 2: Convert to fraction form
    2,810.09/4,215.65 = 962.42/x
  3. Step 3: Cross multiply
    2,810.09x = 4,215.65 × 962.42
  4. Step 4: Simplify right side
    2,810.09x = 4,057,199.98
  5. Step 5: Solve for x
    x = 4,057,199.98/2,810.09
  6. Step 6: Final answer
    x = 1,443.80

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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.