Home / 3,145.08-4,719.06-1,607.16

Finding the Fourth Proportional to 3,145.08, 4,719.06 and 1,607.16

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Solution

The fourth proportional to 3,145.08, 4,719.06 and 1,607.16 is: 2,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.08 : 4,719.06 = 1,607.16 : x
  2. Step 2: Convert to fraction form
    3,145.08/4,719.06 = 1,607.16/x
  3. Step 3: Cross multiply
    3,145.08x = 4,719.06 × 1,607.16
  4. Step 4: Simplify right side
    3,145.08x = 7,584,284.47
  5. Step 5: Solve for x
    x = 7,584,284.47/3,145.08
  6. Step 6: Final answer
    x = 2,411.48

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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.