Home / 1,248.26-1,722.76-1,210.01

Finding the Fourth Proportional to 1,248.26, 1,722.76 and 1,210.01

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Solution

The fourth proportional to 1,248.26, 1,722.76 and 1,210.01 is: 1,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.26 : 1,722.76 = 1,210.01 : x
  2. Step 2: Convert to fraction form
    1,248.26/1,722.76 = 1,210.01/x
  3. Step 3: Cross multiply
    1,248.26x = 1,722.76 × 1,210.01
  4. Step 4: Simplify right side
    1,248.26x = 2,084,545.19
  5. Step 5: Solve for x
    x = 2,084,545.19/1,248.26
  6. Step 6: Final answer
    x = 1,669.97

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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.