Home / 3,148.42-4,345.79-2,029.36

Finding the Fourth Proportional to 3,148.42, 4,345.79 and 2,029.36

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Solution

The fourth proportional to 3,148.42, 4,345.79 and 2,029.36 is: 2,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.42 : 4,345.79 = 2,029.36 : x
  2. Step 2: Convert to fraction form
    3,148.42/4,345.79 = 2,029.36/x
  3. Step 3: Cross multiply
    3,148.42x = 4,345.79 × 2,029.36
  4. Step 4: Simplify right side
    3,148.42x = 8,819,172.39
  5. Step 5: Solve for x
    x = 8,819,172.39/3,148.42
  6. Step 6: Final answer
    x = 2,801.14

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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.