Home / 1,924.62-2,655.36-1,138.50

Finding the Fourth Proportional to 1,924.62, 2,655.36 and 1,138.50

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Solution

The fourth proportional to 1,924.62, 2,655.36 and 1,138.50 is: 1,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.62 : 2,655.36 = 1,138.50 : x
  2. Step 2: Convert to fraction form
    1,924.62/2,655.36 = 1,138.50/x
  3. Step 3: Cross multiply
    1,924.62x = 2,655.36 × 1,138.50
  4. Step 4: Simplify right side
    1,924.62x = 3,023,127.36
  5. Step 5: Solve for x
    x = 3,023,127.36/1,924.62
  6. Step 6: Final answer
    x = 1,570.77

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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.