Home / 3,028.08-4,178.88-1,701.72

Finding the Fourth Proportional to 3,028.08, 4,178.88 and 1,701.72

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Solution

The fourth proportional to 3,028.08, 4,178.88 and 1,701.72 is: 2,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.08 : 4,178.88 = 1,701.72 : x
  2. Step 2: Convert to fraction form
    3,028.08/4,178.88 = 1,701.72/x
  3. Step 3: Cross multiply
    3,028.08x = 4,178.88 × 1,701.72
  4. Step 4: Simplify right side
    3,028.08x = 7,111,283.67
  5. Step 5: Solve for x
    x = 7,111,283.67/3,028.08
  6. Step 6: Final answer
    x = 2,348.45

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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.