Home / 2,519.64-3,490.56-2,459.16

Finding the Fourth Proportional to 2,519.64, 3,490.56 and 2,459.16

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Solution

The fourth proportional to 2,519.64, 3,490.56 and 2,459.16 is: 3,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.64 : 3,490.56 = 2,459.16 : x
  2. Step 2: Convert to fraction form
    2,519.64/3,490.56 = 2,459.16/x
  3. Step 3: Cross multiply
    2,519.64x = 3,490.56 × 2,459.16
  4. Step 4: Simplify right side
    2,519.64x = 8,583,845.53
  5. Step 5: Solve for x
    x = 8,583,845.53/2,519.64
  6. Step 6: Final answer
    x = 3,406.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.