Home / 1,925.96-2,657.63-1,086.71

Finding the Fourth Proportional to 1,925.96, 2,657.63 and 1,086.71

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Solution

The fourth proportional to 1,925.96, 2,657.63 and 1,086.71 is: 1,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.96 : 2,657.63 = 1,086.71 : x
  2. Step 2: Convert to fraction form
    1,925.96/2,657.63 = 1,086.71/x
  3. Step 3: Cross multiply
    1,925.96x = 2,657.63 × 1,086.71
  4. Step 4: Simplify right side
    1,925.96x = 2,888,067.66
  5. Step 5: Solve for x
    x = 2,888,067.66/1,925.96
  6. Step 6: Final answer
    x = 1,499.55

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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.