Home / 2,639.27-3,647.01-2,511.17

Finding the Fourth Proportional to 2,639.27, 3,647.01 and 2,511.17

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Solution

The fourth proportional to 2,639.27, 3,647.01 and 2,511.17 is: 3,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.27 : 3,647.01 = 2,511.17 : x
  2. Step 2: Convert to fraction form
    2,639.27/3,647.01 = 2,511.17/x
  3. Step 3: Cross multiply
    2,639.27x = 3,647.01 × 2,511.17
  4. Step 4: Simplify right side
    2,639.27x = 9,158,252.83
  5. Step 5: Solve for x
    x = 9,158,252.83/2,639.27
  6. Step 6: Final answer
    x = 3,470.00

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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.