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Finding the Fourth Proportional to 1,888.61, 2,606.33 and 1,049.35

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Solution

The fourth proportional to 1,888.61, 2,606.33 and 1,049.35 is: 1,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.61 : 2,606.33 = 1,049.35 : x
  2. Step 2: Convert to fraction form
    1,888.61/2,606.33 = 1,049.35/x
  3. Step 3: Cross multiply
    1,888.61x = 2,606.33 × 1,049.35
  4. Step 4: Simplify right side
    1,888.61x = 2,734,949.44
  5. Step 5: Solve for x
    x = 2,734,949.44/1,888.61
  6. Step 6: Final answer
    x = 1,448.13

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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.