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Finding the Fourth Proportional to 2,888.88, 4,329.84 and 1,653.92

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Solution

The fourth proportional to 2,888.88, 4,329.84 and 1,653.92 is: 2,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.88 : 4,329.84 = 1,653.92 : x
  2. Step 2: Convert to fraction form
    2,888.88/4,329.84 = 1,653.92/x
  3. Step 3: Cross multiply
    2,888.88x = 4,329.84 × 1,653.92
  4. Step 4: Simplify right side
    2,888.88x = 7,161,208.97
  5. Step 5: Solve for x
    x = 7,161,208.97/2,888.88
  6. Step 6: Final answer
    x = 2,478.89

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1.5x scale

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.