Home / 3,146.69-4,345.36-2,029.57

Finding the Fourth Proportional to 3,146.69, 4,345.36 and 2,029.57

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Solution

The fourth proportional to 3,146.69, 4,345.36 and 2,029.57 is: 2,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.69 : 4,345.36 = 2,029.57 : x
  2. Step 2: Convert to fraction form
    3,146.69/4,345.36 = 2,029.57/x
  3. Step 3: Cross multiply
    3,146.69x = 4,345.36 × 2,029.57
  4. Step 4: Simplify right side
    3,146.69x = 8,819,196.36
  5. Step 5: Solve for x
    x = 8,819,196.36/3,146.69
  6. Step 6: Final answer
    x = 2,802.69

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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.