Home / 2,851.08-4,270.59-1,810.53

Finding the Fourth Proportional to 2,851.08, 4,270.59 and 1,810.53

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Solution

The fourth proportional to 2,851.08, 4,270.59 and 1,810.53 is: 2,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.08 : 4,270.59 = 1,810.53 : x
  2. Step 2: Convert to fraction form
    2,851.08/4,270.59 = 1,810.53/x
  3. Step 3: Cross multiply
    2,851.08x = 4,270.59 × 1,810.53
  4. Step 4: Simplify right side
    2,851.08x = 7,732,031.31
  5. Step 5: Solve for x
    x = 7,732,031.31/2,851.08
  6. Step 6: Final answer
    x = 2,711.97

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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.