Home / 1,924.67-2,655.10-1,178.39

Finding the Fourth Proportional to 1,924.67, 2,655.10 and 1,178.39

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Solution

The fourth proportional to 1,924.67, 2,655.10 and 1,178.39 is: 1,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.67 : 2,655.10 = 1,178.39 : x
  2. Step 2: Convert to fraction form
    1,924.67/2,655.10 = 1,178.39/x
  3. Step 3: Cross multiply
    1,924.67x = 2,655.10 × 1,178.39
  4. Step 4: Simplify right side
    1,924.67x = 3,128,743.29
  5. Step 5: Solve for x
    x = 3,128,743.29/1,924.67
  6. Step 6: Final answer
    x = 1,625.60

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1.5x scale

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.