Home / 1,703.57-2,350.89-1,206.36

Finding the Fourth Proportional to 1,703.57, 2,350.89 and 1,206.36

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Solution

The fourth proportional to 1,703.57, 2,350.89 and 1,206.36 is: 1,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.57 : 2,350.89 = 1,206.36 : x
  2. Step 2: Convert to fraction form
    1,703.57/2,350.89 = 1,206.36/x
  3. Step 3: Cross multiply
    1,703.57x = 2,350.89 × 1,206.36
  4. Step 4: Simplify right side
    1,703.57x = 2,836,019.66
  5. Step 5: Solve for x
    x = 2,836,019.66/1,703.57
  6. Step 6: Final answer
    x = 1,664.76

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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.