Home / 3,718.84-5,132.01-2,146.93

Finding the Fourth Proportional to 3,718.84, 5,132.01 and 2,146.93

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Solution

The fourth proportional to 3,718.84, 5,132.01 and 2,146.93 is: 2,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.84 : 5,132.01 = 2,146.93 : x
  2. Step 2: Convert to fraction form
    3,718.84/5,132.01 = 2,146.93/x
  3. Step 3: Cross multiply
    3,718.84x = 5,132.01 × 2,146.93
  4. Step 4: Simplify right side
    3,718.84x = 11,018,066.23
  5. Step 5: Solve for x
    x = 11,018,066.23/3,718.84
  6. Step 6: Final answer
    x = 2,962.77

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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.