Home / 1,956.53-2,699.21-1,367.40

Finding the Fourth Proportional to 1,956.53, 2,699.21 and 1,367.40

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Solution

The fourth proportional to 1,956.53, 2,699.21 and 1,367.40 is: 1,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.53 : 2,699.21 = 1,367.40 : x
  2. Step 2: Convert to fraction form
    1,956.53/2,699.21 = 1,367.40/x
  3. Step 3: Cross multiply
    1,956.53x = 2,699.21 × 1,367.40
  4. Step 4: Simplify right side
    1,956.53x = 3,690,892.92
  5. Step 5: Solve for x
    x = 3,690,892.92/1,956.53
  6. Step 6: Final answer
    x = 1,886.45

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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.