Home / 2,187.64-3,277.80-1,537.21

Finding the Fourth Proportional to 2,187.64, 3,277.80 and 1,537.21

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Solution

The fourth proportional to 2,187.64, 3,277.80 and 1,537.21 is: 2,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.64 : 3,277.80 = 1,537.21 : x
  2. Step 2: Convert to fraction form
    2,187.64/3,277.80 = 1,537.21/x
  3. Step 3: Cross multiply
    2,187.64x = 3,277.80 × 1,537.21
  4. Step 4: Simplify right side
    2,187.64x = 5,038,658.74
  5. Step 5: Solve for x
    x = 5,038,658.74/2,187.64
  6. Step 6: Final answer
    x = 2,303.24

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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.