Home / 3,686.96-5,088.08-2,114.94

Finding the Fourth Proportional to 3,686.96, 5,088.08 and 2,114.94

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Solution

The fourth proportional to 3,686.96, 5,088.08 and 2,114.94 is: 2,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.96 : 5,088.08 = 2,114.94 : x
  2. Step 2: Convert to fraction form
    3,686.96/5,088.08 = 2,114.94/x
  3. Step 3: Cross multiply
    3,686.96x = 5,088.08 × 2,114.94
  4. Step 4: Simplify right side
    3,686.96x = 10,760,983.92
  5. Step 5: Solve for x
    x = 10,760,983.92/3,686.96
  6. Step 6: Final answer
    x = 2,918.66

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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.