Home / 2,358.21-3,538.13-1,479.66

Finding the Fourth Proportional to 2,358.21, 3,538.13 and 1,479.66

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Solution

The fourth proportional to 2,358.21, 3,538.13 and 1,479.66 is: 2,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.21 : 3,538.13 = 1,479.66 : x
  2. Step 2: Convert to fraction form
    2,358.21/3,538.13 = 1,479.66/x
  3. Step 3: Cross multiply
    2,358.21x = 3,538.13 × 1,479.66
  4. Step 4: Simplify right side
    2,358.21x = 5,235,222.04
  5. Step 5: Solve for x
    x = 5,235,222.04/2,358.21
  6. Step 6: Final answer
    x = 2,220.00

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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.