Home / 1,686.93-2,330.25-1,270.44

Finding the Fourth Proportional to 1,686.93, 2,330.25 and 1,270.44

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Solution

The fourth proportional to 1,686.93, 2,330.25 and 1,270.44 is: 1,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.93 : 2,330.25 = 1,270.44 : x
  2. Step 2: Convert to fraction form
    1,686.93/2,330.25 = 1,270.44/x
  3. Step 3: Cross multiply
    1,686.93x = 2,330.25 × 1,270.44
  4. Step 4: Simplify right side
    1,686.93x = 2,960,442.81
  5. Step 5: Solve for x
    x = 2,960,442.81/1,686.93
  6. Step 6: Final answer
    x = 1,754.93

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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.