Home / 3,806.64-5,253.63-2,315.07

Finding the Fourth Proportional to 3,806.64, 5,253.63 and 2,315.07

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Solution

The fourth proportional to 3,806.64, 5,253.63 and 2,315.07 is: 3,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.64 : 5,253.63 = 2,315.07 : x
  2. Step 2: Convert to fraction form
    3,806.64/5,253.63 = 2,315.07/x
  3. Step 3: Cross multiply
    3,806.64x = 5,253.63 × 2,315.07
  4. Step 4: Simplify right side
    3,806.64x = 12,162,521.20
  5. Step 5: Solve for x
    x = 12,162,521.20/3,806.64
  6. Step 6: Final answer
    x = 3,195.08

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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.