Home / 3,102.13-4,653.34-1,253.01

Finding the Fourth Proportional to 3,102.13, 4,653.34 and 1,253.01

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Solution

The fourth proportional to 3,102.13, 4,653.34 and 1,253.01 is: 1,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.13 : 4,653.34 = 1,253.01 : x
  2. Step 2: Convert to fraction form
    3,102.13/4,653.34 = 1,253.01/x
  3. Step 3: Cross multiply
    3,102.13x = 4,653.34 × 1,253.01
  4. Step 4: Simplify right side
    3,102.13x = 5,830,681.55
  5. Step 5: Solve for x
    x = 5,830,681.55/3,102.13
  6. Step 6: Final answer
    x = 1,879.57

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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.