Home / 2,677.60-3,696.86-1,684.40

Finding the Fourth Proportional to 2,677.60, 3,696.86 and 1,684.40

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Solution

The fourth proportional to 2,677.60, 3,696.86 and 1,684.40 is: 2,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.60 : 3,696.86 = 1,684.40 : x
  2. Step 2: Convert to fraction form
    2,677.60/3,696.86 = 1,684.40/x
  3. Step 3: Cross multiply
    2,677.60x = 3,696.86 × 1,684.40
  4. Step 4: Simplify right side
    2,677.60x = 6,226,990.98
  5. Step 5: Solve for x
    x = 6,226,990.98/2,677.60
  6. Step 6: Final answer
    x = 2,325.59

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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.