Home / 2,345.12-3,237-1,505.96

Finding the Fourth Proportional to 2,345.12, 3,237 and 1,505.96

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Solution

The fourth proportional to 2,345.12, 3,237 and 1,505.96 is: 2,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.12 : 3,237 = 1,505.96 : x
  2. Step 2: Convert to fraction form
    2,345.12/3,237 = 1,505.96/x
  3. Step 3: Cross multiply
    2,345.12x = 3,237 × 1,505.96
  4. Step 4: Simplify right side
    2,345.12x = 4,874,792.52
  5. Step 5: Solve for x
    x = 4,874,792.52/2,345.12
  6. Step 6: Final answer
    x = 2,078.70

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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.