Home / 3,135.34-4,330.98-2,913.94

Finding the Fourth Proportional to 3,135.34, 4,330.98 and 2,913.94

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Solution

The fourth proportional to 3,135.34, 4,330.98 and 2,913.94 is: 4,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.34 : 4,330.98 = 2,913.94 : x
  2. Step 2: Convert to fraction form
    3,135.34/4,330.98 = 2,913.94/x
  3. Step 3: Cross multiply
    3,135.34x = 4,330.98 × 2,913.94
  4. Step 4: Simplify right side
    3,135.34x = 12,620,215.86
  5. Step 5: Solve for x
    x = 12,620,215.86/3,135.34
  6. Step 6: Final answer
    x = 4,025.15

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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.