Home / 2,511.48-3,464.94-1,407.48

Finding the Fourth Proportional to 2,511.48, 3,464.94 and 1,407.48

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Solution

The fourth proportional to 2,511.48, 3,464.94 and 1,407.48 is: 1,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.48 : 3,464.94 = 1,407.48 : x
  2. Step 2: Convert to fraction form
    2,511.48/3,464.94 = 1,407.48/x
  3. Step 3: Cross multiply
    2,511.48x = 3,464.94 × 1,407.48
  4. Step 4: Simplify right side
    2,511.48x = 4,876,833.75
  5. Step 5: Solve for x
    x = 4,876,833.75/2,511.48
  6. Step 6: Final answer
    x = 1,941.82

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1.5x scale

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.