Home / 2,740.45-4,088.98-2,677.42

Finding the Fourth Proportional to 2,740.45, 4,088.98 and 2,677.42

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Solution

The fourth proportional to 2,740.45, 4,088.98 and 2,677.42 is: 3,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.45 : 4,088.98 = 2,677.42 : x
  2. Step 2: Convert to fraction form
    2,740.45/4,088.98 = 2,677.42/x
  3. Step 3: Cross multiply
    2,740.45x = 4,088.98 × 2,677.42
  4. Step 4: Simplify right side
    2,740.45x = 10,947,896.39
  5. Step 5: Solve for x
    x = 10,947,896.39/2,740.45
  6. Step 6: Final answer
    x = 3,994.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.