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Finding the Fourth Proportional to 2,888.69, 4,332.49 and 1,133.62

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Solution

The fourth proportional to 2,888.69, 4,332.49 and 1,133.62 is: 1,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.69 : 4,332.49 = 1,133.62 : x
  2. Step 2: Convert to fraction form
    2,888.69/4,332.49 = 1,133.62/x
  3. Step 3: Cross multiply
    2,888.69x = 4,332.49 × 1,133.62
  4. Step 4: Simplify right side
    2,888.69x = 4,911,383.65
  5. Step 5: Solve for x
    x = 4,911,383.65/2,888.69
  6. Step 6: Final answer
    x = 1,700.21

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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.