Home / 2,956.56-4,080.40-1,697.76

Finding the Fourth Proportional to 2,956.56, 4,080.40 and 1,697.76

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Solution

The fourth proportional to 2,956.56, 4,080.40 and 1,697.76 is: 2,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.56 : 4,080.40 = 1,697.76 : x
  2. Step 2: Convert to fraction form
    2,956.56/4,080.40 = 1,697.76/x
  3. Step 3: Cross multiply
    2,956.56x = 4,080.40 × 1,697.76
  4. Step 4: Simplify right side
    2,956.56x = 6,927,539.90
  5. Step 5: Solve for x
    x = 6,927,539.90/2,956.56
  6. Step 6: Final answer
    x = 2,343.11

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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.