Home / 2,124.58-3,180.12-1,537.60

Finding the Fourth Proportional to 2,124.58, 3,180.12 and 1,537.60

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Solution

The fourth proportional to 2,124.58, 3,180.12 and 1,537.60 is: 2,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.58 : 3,180.12 = 1,537.60 : x
  2. Step 2: Convert to fraction form
    2,124.58/3,180.12 = 1,537.60/x
  3. Step 3: Cross multiply
    2,124.58x = 3,180.12 × 1,537.60
  4. Step 4: Simplify right side
    2,124.58x = 4,889,752.51
  5. Step 5: Solve for x
    x = 4,889,752.51/2,124.58
  6. Step 6: Final answer
    x = 2,301.51

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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.