Home / 2,421.63-3,341.03-1,537.95

Finding the Fourth Proportional to 2,421.63, 3,341.03 and 1,537.95

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Solution

The fourth proportional to 2,421.63, 3,341.03 and 1,537.95 is: 2,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.63 : 3,341.03 = 1,537.95 : x
  2. Step 2: Convert to fraction form
    2,421.63/3,341.03 = 1,537.95/x
  3. Step 3: Cross multiply
    2,421.63x = 3,341.03 × 1,537.95
  4. Step 4: Simplify right side
    2,421.63x = 5,138,337.09
  5. Step 5: Solve for x
    x = 5,138,337.09/2,421.63
  6. Step 6: Final answer
    x = 2,121.85

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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.