Home / 3,132.81-4,701.34-1,284.26

Finding the Fourth Proportional to 3,132.81, 4,701.34 and 1,284.26

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Solution

The fourth proportional to 3,132.81, 4,701.34 and 1,284.26 is: 1,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.81 : 4,701.34 = 1,284.26 : x
  2. Step 2: Convert to fraction form
    3,132.81/4,701.34 = 1,284.26/x
  3. Step 3: Cross multiply
    3,132.81x = 4,701.34 × 1,284.26
  4. Step 4: Simplify right side
    3,132.81x = 6,037,721.01
  5. Step 5: Solve for x
    x = 6,037,721.01/3,132.81
  6. Step 6: Final answer
    x = 1,927.25

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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.