Home / 3,076.28-4,615.77-1,615.08

Finding the Fourth Proportional to 3,076.28, 4,615.77 and 1,615.08

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Solution

The fourth proportional to 3,076.28, 4,615.77 and 1,615.08 is: 2,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.28 : 4,615.77 = 1,615.08 : x
  2. Step 2: Convert to fraction form
    3,076.28/4,615.77 = 1,615.08/x
  3. Step 3: Cross multiply
    3,076.28x = 4,615.77 × 1,615.08
  4. Step 4: Simplify right side
    3,076.28x = 7,454,837.81
  5. Step 5: Solve for x
    x = 7,454,837.81/3,076.28
  6. Step 6: Final answer
    x = 2,423.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.