Home / 2,318.16-3,459.28-2,072

Finding the Fourth Proportional to 2,318.16, 3,459.28 and 2,072

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Solution

The fourth proportional to 2,318.16, 3,459.28 and 2,072 is: 3,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.16 : 3,459.28 = 2,072 : x
  2. Step 2: Convert to fraction form
    2,318.16/3,459.28 = 2,072/x
  3. Step 3: Cross multiply
    2,318.16x = 3,459.28 × 2,072
  4. Step 4: Simplify right side
    2,318.16x = 7,167,628.16
  5. Step 5: Solve for x
    x = 7,167,628.16/2,318.16
  6. Step 6: Final answer
    x = 3,091.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.