Home / 2,712.73-4,070.23-1,937.71

Finding the Fourth Proportional to 2,712.73, 4,070.23 and 1,937.71

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Solution

The fourth proportional to 2,712.73, 4,070.23 and 1,937.71 is: 2,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.73 : 4,070.23 = 1,937.71 : x
  2. Step 2: Convert to fraction form
    2,712.73/4,070.23 = 1,937.71/x
  3. Step 3: Cross multiply
    2,712.73x = 4,070.23 × 1,937.71
  4. Step 4: Simplify right side
    2,712.73x = 7,886,925.37
  5. Step 5: Solve for x
    x = 7,886,925.37/2,712.73
  6. Step 6: Final answer
    x = 2,907.38

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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.