Home / 2,253.02-3,108.62-1,368.86

Finding the Fourth Proportional to 2,253.02, 3,108.62 and 1,368.86

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Solution

The fourth proportional to 2,253.02, 3,108.62 and 1,368.86 is: 1,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.02 : 3,108.62 = 1,368.86 : x
  2. Step 2: Convert to fraction form
    2,253.02/3,108.62 = 1,368.86/x
  3. Step 3: Cross multiply
    2,253.02x = 3,108.62 × 1,368.86
  4. Step 4: Simplify right side
    2,253.02x = 4,255,265.57
  5. Step 5: Solve for x
    x = 4,255,265.57/2,253.02
  6. Step 6: Final answer
    x = 1,888.69

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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.