Home / 1,653.20-2,476.35-992.98

Finding the Fourth Proportional to 1,653.20, 2,476.35 and 992.98

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Solution

The fourth proportional to 1,653.20, 2,476.35 and 992.98 is: 1,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.20 : 2,476.35 = 992.98 : x
  2. Step 2: Convert to fraction form
    1,653.20/2,476.35 = 992.98/x
  3. Step 3: Cross multiply
    1,653.20x = 2,476.35 × 992.98
  4. Step 4: Simplify right side
    1,653.20x = 2,458,961.06
  5. Step 5: Solve for x
    x = 2,458,961.06/1,653.20
  6. Step 6: Final answer
    x = 1,487.39

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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.