Home / 3,490.09-5,236.90-2,320.90

Finding the Fourth Proportional to 3,490.09, 5,236.90 and 2,320.90

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Solution

The fourth proportional to 3,490.09, 5,236.90 and 2,320.90 is: 3,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.09 : 5,236.90 = 2,320.90 : x
  2. Step 2: Convert to fraction form
    3,490.09/5,236.90 = 2,320.90/x
  3. Step 3: Cross multiply
    3,490.09x = 5,236.90 × 2,320.90
  4. Step 4: Simplify right side
    3,490.09x = 12,154,344.83
  5. Step 5: Solve for x
    x = 12,154,344.83/3,490.09
  6. Step 6: Final answer
    x = 3,482.53

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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.