Home / 2,330.16-3,216-1,386

Finding the Fourth Proportional to 2,330.16, 3,216 and 1,386

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Solution

The fourth proportional to 2,330.16, 3,216 and 1,386 is: 1,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.16 : 3,216 = 1,386 : x
  2. Step 2: Convert to fraction form
    2,330.16/3,216 = 1,386/x
  3. Step 3: Cross multiply
    2,330.16x = 3,216 × 1,386
  4. Step 4: Simplify right side
    2,330.16x = 4,457,376
  5. Step 5: Solve for x
    x = 4,457,376/2,330.16
  6. Step 6: Final answer
    x = 1,912.91

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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.