Home / 1,686.51-2,329.19-1,503.27

Finding the Fourth Proportional to 1,686.51, 2,329.19 and 1,503.27

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Solution

The fourth proportional to 1,686.51, 2,329.19 and 1,503.27 is: 2,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.51 : 2,329.19 = 1,503.27 : x
  2. Step 2: Convert to fraction form
    1,686.51/2,329.19 = 1,503.27/x
  3. Step 3: Cross multiply
    1,686.51x = 2,329.19 × 1,503.27
  4. Step 4: Simplify right side
    1,686.51x = 3,501,393.93
  5. Step 5: Solve for x
    x = 3,501,393.93/1,686.51
  6. Step 6: Final answer
    x = 2,076.12

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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.