Home / 1,703.31-2,351.66-1,329.63

Finding the Fourth Proportional to 1,703.31, 2,351.66 and 1,329.63

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Solution

The fourth proportional to 1,703.31, 2,351.66 and 1,329.63 is: 1,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.31 : 2,351.66 = 1,329.63 : x
  2. Step 2: Convert to fraction form
    1,703.31/2,351.66 = 1,329.63/x
  3. Step 3: Cross multiply
    1,703.31x = 2,351.66 × 1,329.63
  4. Step 4: Simplify right side
    1,703.31x = 3,126,837.69
  5. Step 5: Solve for x
    x = 3,126,837.69/1,703.31
  6. Step 6: Final answer
    x = 1,835.74

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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.