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Finding the Fourth Proportional to 1,888.85, 2,606.63 and 1,049.63

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Solution

The fourth proportional to 1,888.85, 2,606.63 and 1,049.63 is: 1,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.85 : 2,606.63 = 1,049.63 : x
  2. Step 2: Convert to fraction form
    1,888.85/2,606.63 = 1,049.63/x
  3. Step 3: Cross multiply
    1,888.85x = 2,606.63 × 1,049.63
  4. Step 4: Simplify right side
    1,888.85x = 2,736,006.66
  5. Step 5: Solve for x
    x = 2,736,006.66/1,888.85
  6. Step 6: Final answer
    x = 1,448.50

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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.