Home / 2,958.40-4,429.80-2,370.64

Finding the Fourth Proportional to 2,958.40, 4,429.80 and 2,370.64

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Solution

The fourth proportional to 2,958.40, 4,429.80 and 2,370.64 is: 3,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.40 : 4,429.80 = 2,370.64 : x
  2. Step 2: Convert to fraction form
    2,958.40/4,429.80 = 2,370.64/x
  3. Step 3: Cross multiply
    2,958.40x = 4,429.80 × 2,370.64
  4. Step 4: Simplify right side
    2,958.40x = 10,501,461.07
  5. Step 5: Solve for x
    x = 10,501,461.07/2,958.40
  6. Step 6: Final answer
    x = 3,549.71

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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.