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Finding the Fourth Proportional to 1,649.64, 2,275.52 and 1,090.11

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Solution

The fourth proportional to 1,649.64, 2,275.52 and 1,090.11 is: 1,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.64 : 2,275.52 = 1,090.11 : x
  2. Step 2: Convert to fraction form
    1,649.64/2,275.52 = 1,090.11/x
  3. Step 3: Cross multiply
    1,649.64x = 2,275.52 × 1,090.11
  4. Step 4: Simplify right side
    1,649.64x = 2,480,561.66
  5. Step 5: Solve for x
    x = 2,480,561.66/1,649.64
  6. Step 6: Final answer
    x = 1,503.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.