Home / 1,946.03-2,685.15-1,317.06

Finding the Fourth Proportional to 1,946.03, 2,685.15 and 1,317.06

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Solution

The fourth proportional to 1,946.03, 2,685.15 and 1,317.06 is: 1,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.03 : 2,685.15 = 1,317.06 : x
  2. Step 2: Convert to fraction form
    1,946.03/2,685.15 = 1,317.06/x
  3. Step 3: Cross multiply
    1,946.03x = 2,685.15 × 1,317.06
  4. Step 4: Simplify right side
    1,946.03x = 3,536,503.66
  5. Step 5: Solve for x
    x = 3,536,503.66/1,946.03
  6. Step 6: Final answer
    x = 1,817.30

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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.