Home / 2,807.24-3,875.79-2,511.99

Finding the Fourth Proportional to 2,807.24, 3,875.79 and 2,511.99

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Solution

The fourth proportional to 2,807.24, 3,875.79 and 2,511.99 is: 3,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.24 : 3,875.79 = 2,511.99 : x
  2. Step 2: Convert to fraction form
    2,807.24/3,875.79 = 2,511.99/x
  3. Step 3: Cross multiply
    2,807.24x = 3,875.79 × 2,511.99
  4. Step 4: Simplify right side
    2,807.24x = 9,735,945.72
  5. Step 5: Solve for x
    x = 9,735,945.72/2,807.24
  6. Step 6: Final answer
    x = 3,468.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.