Home / 2,392.40-3,589.63-1,297.55

Finding the Fourth Proportional to 2,392.40, 3,589.63 and 1,297.55

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Solution

The fourth proportional to 2,392.40, 3,589.63 and 1,297.55 is: 1,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.40 : 3,589.63 = 1,297.55 : x
  2. Step 2: Convert to fraction form
    2,392.40/3,589.63 = 1,297.55/x
  3. Step 3: Cross multiply
    2,392.40x = 3,589.63 × 1,297.55
  4. Step 4: Simplify right side
    2,392.40x = 4,657,730.14
  5. Step 5: Solve for x
    x = 4,657,730.14/2,392.40
  6. Step 6: Final answer
    x = 1,946.88

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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.