Home / 3,511.09-5,268.48-1,432.63

Finding the Fourth Proportional to 3,511.09, 5,268.48 and 1,432.63

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Solution

The fourth proportional to 3,511.09, 5,268.48 and 1,432.63 is: 2,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.09 : 5,268.48 = 1,432.63 : x
  2. Step 2: Convert to fraction form
    3,511.09/5,268.48 = 1,432.63/x
  3. Step 3: Cross multiply
    3,511.09x = 5,268.48 × 1,432.63
  4. Step 4: Simplify right side
    3,511.09x = 7,547,782.50
  5. Step 5: Solve for x
    x = 7,547,782.50/3,511.09
  6. Step 6: Final answer
    x = 2,149.70

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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.