Home / 2,956.78-4,079.36-1,837.32

Finding the Fourth Proportional to 2,956.78, 4,079.36 and 1,837.32

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Solution

The fourth proportional to 2,956.78, 4,079.36 and 1,837.32 is: 2,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.78 : 4,079.36 = 1,837.32 : x
  2. Step 2: Convert to fraction form
    2,956.78/4,079.36 = 1,837.32/x
  3. Step 3: Cross multiply
    2,956.78x = 4,079.36 × 1,837.32
  4. Step 4: Simplify right side
    2,956.78x = 7,495,089.72
  5. Step 5: Solve for x
    x = 7,495,089.72/2,956.78
  6. Step 6: Final answer
    x = 2,534.88

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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.