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Finding the Fourth Proportional to 1,810.48, 2,502.12 and 1,634.80

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Solution

The fourth proportional to 1,810.48, 2,502.12 and 1,634.80 is: 2,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.48 : 2,502.12 = 1,634.80 : x
  2. Step 2: Convert to fraction form
    1,810.48/2,502.12 = 1,634.80/x
  3. Step 3: Cross multiply
    1,810.48x = 2,502.12 × 1,634.80
  4. Step 4: Simplify right side
    1,810.48x = 4,090,465.78
  5. Step 5: Solve for x
    x = 4,090,465.78/1,810.48
  6. Step 6: Final answer
    x = 2,259.33

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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.