Home / 3,135.04-4,689.48-2,901.76

Finding the Fourth Proportional to 3,135.04, 4,689.48 and 2,901.76

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Solution

The fourth proportional to 3,135.04, 4,689.48 and 2,901.76 is: 4,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.04 : 4,689.48 = 2,901.76 : x
  2. Step 2: Convert to fraction form
    3,135.04/4,689.48 = 2,901.76/x
  3. Step 3: Cross multiply
    3,135.04x = 4,689.48 × 2,901.76
  4. Step 4: Simplify right side
    3,135.04x = 13,607,745.48
  5. Step 5: Solve for x
    x = 13,607,745.48/3,135.04
  6. Step 6: Final answer
    x = 4,340.53

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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.