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Finding the Fourth Proportional to 1,888.60, 2,606.20 and 1,049.34

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Solution

The fourth proportional to 1,888.60, 2,606.20 and 1,049.34 is: 1,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.60 : 2,606.20 = 1,049.34 : x
  2. Step 2: Convert to fraction form
    1,888.60/2,606.20 = 1,049.34/x
  3. Step 3: Cross multiply
    1,888.60x = 2,606.20 × 1,049.34
  4. Step 4: Simplify right side
    1,888.60x = 2,734,789.91
  5. Step 5: Solve for x
    x = 2,734,789.91/1,888.60
  6. Step 6: Final answer
    x = 1,448.05

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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.