Home / 1,884.48-2,837.40-1,311

Finding the Fourth Proportional to 1,884.48, 2,837.40 and 1,311

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Solution

The fourth proportional to 1,884.48, 2,837.40 and 1,311 is: 1,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.48 : 2,837.40 = 1,311 : x
  2. Step 2: Convert to fraction form
    1,884.48/2,837.40 = 1,311/x
  3. Step 3: Cross multiply
    1,884.48x = 2,837.40 × 1,311
  4. Step 4: Simplify right side
    1,884.48x = 3,719,831.40
  5. Step 5: Solve for x
    x = 3,719,831.40/1,884.48
  6. Step 6: Final answer
    x = 1,973.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.