Home / 3,484.08-4,809.96-2,490.84

Finding the Fourth Proportional to 3,484.08, 4,809.96 and 2,490.84

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Solution

The fourth proportional to 3,484.08, 4,809.96 and 2,490.84 is: 3,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.08 : 4,809.96 = 2,490.84 : x
  2. Step 2: Convert to fraction form
    3,484.08/4,809.96 = 2,490.84/x
  3. Step 3: Cross multiply
    3,484.08x = 4,809.96 × 2,490.84
  4. Step 4: Simplify right side
    3,484.08x = 11,980,840.77
  5. Step 5: Solve for x
    x = 11,980,840.77/3,484.08
  6. Step 6: Final answer
    x = 3,438.74

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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.