Home / 3,148.98-4,345.81-2,084.92

Finding the Fourth Proportional to 3,148.98, 4,345.81 and 2,084.92

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Solution

The fourth proportional to 3,148.98, 4,345.81 and 2,084.92 is: 2,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.98 : 4,345.81 = 2,084.92 : x
  2. Step 2: Convert to fraction form
    3,148.98/4,345.81 = 2,084.92/x
  3. Step 3: Cross multiply
    3,148.98x = 4,345.81 × 2,084.92
  4. Step 4: Simplify right side
    3,148.98x = 9,060,666.19
  5. Step 5: Solve for x
    x = 9,060,666.19/3,148.98
  6. Step 6: Final answer
    x = 2,877.33

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Double scale
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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.