Home / 2,292.78-3,432.36-1,511.30

Finding the Fourth Proportional to 2,292.78, 3,432.36 and 1,511.30

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Solution

The fourth proportional to 2,292.78, 3,432.36 and 1,511.30 is: 2,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.78 : 3,432.36 = 1,511.30 : x
  2. Step 2: Convert to fraction form
    2,292.78/3,432.36 = 1,511.30/x
  3. Step 3: Cross multiply
    2,292.78x = 3,432.36 × 1,511.30
  4. Step 4: Simplify right side
    2,292.78x = 5,187,325.67
  5. Step 5: Solve for x
    x = 5,187,325.67/2,292.78
  6. Step 6: Final answer
    x = 2,262.46

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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.