Home / 3,340.95-4,605.98-2,816.07

Finding the Fourth Proportional to 3,340.95, 4,605.98 and 2,816.07

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Solution

The fourth proportional to 3,340.95, 4,605.98 and 2,816.07 is: 3,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.95 : 4,605.98 = 2,816.07 : x
  2. Step 2: Convert to fraction form
    3,340.95/4,605.98 = 2,816.07/x
  3. Step 3: Cross multiply
    3,340.95x = 4,605.98 × 2,816.07
  4. Step 4: Simplify right side
    3,340.95x = 12,970,748.02
  5. Step 5: Solve for x
    x = 12,970,748.02/3,340.95
  6. Step 6: Final answer
    x = 3,882.35

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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.