Home / 2,810.99-4,217.47-1,252.10

Finding the Fourth Proportional to 2,810.99, 4,217.47 and 1,252.10

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Solution

The fourth proportional to 2,810.99, 4,217.47 and 1,252.10 is: 1,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.99 : 4,217.47 = 1,252.10 : x
  2. Step 2: Convert to fraction form
    2,810.99/4,217.47 = 1,252.10/x
  3. Step 3: Cross multiply
    2,810.99x = 4,217.47 × 1,252.10
  4. Step 4: Simplify right side
    2,810.99x = 5,280,701.60
  5. Step 5: Solve for x
    x = 5,280,701.60/2,810.99
  6. Step 6: Final answer
    x = 1,878.59

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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.