Home / 1,343.51-2,014.80-465.66

Finding the Fourth Proportional to 1,343.51, 2,014.80 and 465.66

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Solution

The fourth proportional to 1,343.51, 2,014.80 and 465.66 is: 698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.51 : 2,014.80 = 465.66 : x
  2. Step 2: Convert to fraction form
    1,343.51/2,014.80 = 465.66/x
  3. Step 3: Cross multiply
    1,343.51x = 2,014.80 × 465.66
  4. Step 4: Simplify right side
    1,343.51x = 938,211.77
  5. Step 5: Solve for x
    x = 938,211.77/1,343.51
  6. Step 6: Final answer
    x = 698.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.