Home / 2,736.60-3,775.40-1,686.84

Finding the Fourth Proportional to 2,736.60, 3,775.40 and 1,686.84

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Solution

The fourth proportional to 2,736.60, 3,775.40 and 1,686.84 is: 2,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.60 : 3,775.40 = 1,686.84 : x
  2. Step 2: Convert to fraction form
    2,736.60/3,775.40 = 1,686.84/x
  3. Step 3: Cross multiply
    2,736.60x = 3,775.40 × 1,686.84
  4. Step 4: Simplify right side
    2,736.60x = 6,368,495.74
  5. Step 5: Solve for x
    x = 6,368,495.74/2,736.60
  6. Step 6: Final answer
    x = 2,327.16

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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.