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Finding the Fourth Proportional to 1,650.08, 2,276.98 and 904.02

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Solution

The fourth proportional to 1,650.08, 2,276.98 and 904.02 is: 1,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.08 : 2,276.98 = 904.02 : x
  2. Step 2: Convert to fraction form
    1,650.08/2,276.98 = 904.02/x
  3. Step 3: Cross multiply
    1,650.08x = 2,276.98 × 904.02
  4. Step 4: Simplify right side
    1,650.08x = 2,058,435.46
  5. Step 5: Solve for x
    x = 2,058,435.46/1,650.08
  6. Step 6: Final answer
    x = 1,247.48

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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.