Home / 1,946.03-2,686.10-1,160.53

Finding the Fourth Proportional to 1,946.03, 2,686.10 and 1,160.53

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Solution

The fourth proportional to 1,946.03, 2,686.10 and 1,160.53 is: 1,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.03 : 2,686.10 = 1,160.53 : x
  2. Step 2: Convert to fraction form
    1,946.03/2,686.10 = 1,160.53/x
  3. Step 3: Cross multiply
    1,946.03x = 2,686.10 × 1,160.53
  4. Step 4: Simplify right side
    1,946.03x = 3,117,287.12
  5. Step 5: Solve for x
    x = 3,117,287.12/1,946.03
  6. Step 6: Final answer
    x = 1,601.87

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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.