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Finding the Fourth Proportional to 1,650.48, 2,277.65 and 904.44

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Solution

The fourth proportional to 1,650.48, 2,277.65 and 904.44 is: 1,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.48 : 2,277.65 = 904.44 : x
  2. Step 2: Convert to fraction form
    1,650.48/2,277.65 = 904.44/x
  3. Step 3: Cross multiply
    1,650.48x = 2,277.65 × 904.44
  4. Step 4: Simplify right side
    1,650.48x = 2,059,993.24
  5. Step 5: Solve for x
    x = 2,059,993.24/1,650.48
  6. Step 6: Final answer
    x = 1,248.12

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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.