Home / 1,925.81-2,657.46-1,086.71

Finding the Fourth Proportional to 1,925.81, 2,657.46 and 1,086.71

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Solution

The fourth proportional to 1,925.81, 2,657.46 and 1,086.71 is: 1,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.81 : 2,657.46 = 1,086.71 : x
  2. Step 2: Convert to fraction form
    1,925.81/2,657.46 = 1,086.71/x
  3. Step 3: Cross multiply
    1,925.81x = 2,657.46 × 1,086.71
  4. Step 4: Simplify right side
    1,925.81x = 2,887,882.92
  5. Step 5: Solve for x
    x = 2,887,882.92/1,925.81
  6. Step 6: Final answer
    x = 1,499.57

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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.