Home / 1,924.50-2,655.60-1,178.10

Finding the Fourth Proportional to 1,924.50, 2,655.60 and 1,178.10

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Solution

The fourth proportional to 1,924.50, 2,655.60 and 1,178.10 is: 1,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.50 : 2,655.60 = 1,178.10 : x
  2. Step 2: Convert to fraction form
    1,924.50/2,655.60 = 1,178.10/x
  3. Step 3: Cross multiply
    1,924.50x = 2,655.60 × 1,178.10
  4. Step 4: Simplify right side
    1,924.50x = 3,128,562.36
  5. Step 5: Solve for x
    x = 3,128,562.36/1,924.50
  6. Step 6: Final answer
    x = 1,625.65

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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.