Home / 3,511.09-5,266.64-1,432.23

Finding the Fourth Proportional to 3,511.09, 5,266.64 and 1,432.23

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Solution

The fourth proportional to 3,511.09, 5,266.64 and 1,432.23 is: 2,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.09 : 5,266.64 = 1,432.23 : x
  2. Step 2: Convert to fraction form
    3,511.09/5,266.64 = 1,432.23/x
  3. Step 3: Cross multiply
    3,511.09x = 5,266.64 × 1,432.23
  4. Step 4: Simplify right side
    3,511.09x = 7,543,039.81
  5. Step 5: Solve for x
    x = 7,543,039.81/3,511.09
  6. Step 6: Final answer
    x = 2,148.35

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1.5x scale

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.