Home / 2,319.32-3,474.06-1,857.56

Finding the Fourth Proportional to 2,319.32, 3,474.06 and 1,857.56

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Solution

The fourth proportional to 2,319.32, 3,474.06 and 1,857.56 is: 2,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.32 : 3,474.06 = 1,857.56 : x
  2. Step 2: Convert to fraction form
    2,319.32/3,474.06 = 1,857.56/x
  3. Step 3: Cross multiply
    2,319.32x = 3,474.06 × 1,857.56
  4. Step 4: Simplify right side
    2,319.32x = 6,453,274.89
  5. Step 5: Solve for x
    x = 6,453,274.89/2,319.32
  6. Step 6: Final answer
    x = 2,782.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.