Home / 4,379.40-6,043.69-2,389.99

Finding the Fourth Proportional to 4,379.40, 6,043.69 and 2,389.99

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Solution

The fourth proportional to 4,379.40, 6,043.69 and 2,389.99 is: 3,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.40 : 6,043.69 = 2,389.99 : x
  2. Step 2: Convert to fraction form
    4,379.40/6,043.69 = 2,389.99/x
  3. Step 3: Cross multiply
    4,379.40x = 6,043.69 × 2,389.99
  4. Step 4: Simplify right side
    4,379.40x = 14,444,358.66
  5. Step 5: Solve for x
    x = 14,444,358.66/4,379.40
  6. Step 6: Final answer
    x = 3,298.25

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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.