Home / 2,840.13-3,916.71-2,252.07

Finding the Fourth Proportional to 2,840.13, 3,916.71 and 2,252.07

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Solution

The fourth proportional to 2,840.13, 3,916.71 and 2,252.07 is: 3,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.13 : 3,916.71 = 2,252.07 : x
  2. Step 2: Convert to fraction form
    2,840.13/3,916.71 = 2,252.07/x
  3. Step 3: Cross multiply
    2,840.13x = 3,916.71 × 2,252.07
  4. Step 4: Simplify right side
    2,840.13x = 8,820,705.09
  5. Step 5: Solve for x
    x = 8,820,705.09/2,840.13
  6. Step 6: Final answer
    x = 3,105.74

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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.