Home / 1,837.16-2,756.46-1,220.84

Finding the Fourth Proportional to 1,837.16, 2,756.46 and 1,220.84

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Solution

The fourth proportional to 1,837.16, 2,756.46 and 1,220.84 is: 1,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.16 : 2,756.46 = 1,220.84 : x
  2. Step 2: Convert to fraction form
    1,837.16/2,756.46 = 1,220.84/x
  3. Step 3: Cross multiply
    1,837.16x = 2,756.46 × 1,220.84
  4. Step 4: Simplify right side
    1,837.16x = 3,365,196.63
  5. Step 5: Solve for x
    x = 3,365,196.63/1,837.16
  6. Step 6: Final answer
    x = 1,831.74

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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.