Home / 3,076.71-4,246.35-1,818.06

Finding the Fourth Proportional to 3,076.71, 4,246.35 and 1,818.06

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Solution

The fourth proportional to 3,076.71, 4,246.35 and 1,818.06 is: 2,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.71 : 4,246.35 = 1,818.06 : x
  2. Step 2: Convert to fraction form
    3,076.71/4,246.35 = 1,818.06/x
  3. Step 3: Cross multiply
    3,076.71x = 4,246.35 × 1,818.06
  4. Step 4: Simplify right side
    3,076.71x = 7,720,119.08
  5. Step 5: Solve for x
    x = 7,720,119.08/3,076.71
  6. Step 6: Final answer
    x = 2,509.21

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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.