Home / 2,421.44-3,341.33-1,358.99

Finding the Fourth Proportional to 2,421.44, 3,341.33 and 1,358.99

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Solution

The fourth proportional to 2,421.44, 3,341.33 and 1,358.99 is: 1,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.44 : 3,341.33 = 1,358.99 : x
  2. Step 2: Convert to fraction form
    2,421.44/3,341.33 = 1,358.99/x
  3. Step 3: Cross multiply
    2,421.44x = 3,341.33 × 1,358.99
  4. Step 4: Simplify right side
    2,421.44x = 4,540,835.62
  5. Step 5: Solve for x
    x = 4,540,835.62/2,421.44
  6. Step 6: Final answer
    x = 1,875.26

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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.