Home / 1,924.68-2,656.59-1,138.98

Finding the Fourth Proportional to 1,924.68, 2,656.59 and 1,138.98

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Solution

The fourth proportional to 1,924.68, 2,656.59 and 1,138.98 is: 1,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.68 : 2,656.59 = 1,138.98 : x
  2. Step 2: Convert to fraction form
    1,924.68/2,656.59 = 1,138.98/x
  3. Step 3: Cross multiply
    1,924.68x = 2,656.59 × 1,138.98
  4. Step 4: Simplify right side
    1,924.68x = 3,025,802.88
  5. Step 5: Solve for x
    x = 3,025,802.88/1,924.68
  6. Step 6: Final answer
    x = 1,572.11

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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.