Home / 3,147.08-4,717.74-1,607.72

Finding the Fourth Proportional to 3,147.08, 4,717.74 and 1,607.72

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Solution

The fourth proportional to 3,147.08, 4,717.74 and 1,607.72 is: 2,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.08 : 4,717.74 = 1,607.72 : x
  2. Step 2: Convert to fraction form
    3,147.08/4,717.74 = 1,607.72/x
  3. Step 3: Cross multiply
    3,147.08x = 4,717.74 × 1,607.72
  4. Step 4: Simplify right side
    3,147.08x = 7,584,804.95
  5. Step 5: Solve for x
    x = 7,584,804.95/3,147.08
  6. Step 6: Final answer
    x = 2,410.11

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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.