Home / 2,580.06-3,557.16-2,107.50

Finding the Fourth Proportional to 2,580.06, 3,557.16 and 2,107.50

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Solution

The fourth proportional to 2,580.06, 3,557.16 and 2,107.50 is: 2,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.06 : 3,557.16 = 2,107.50 : x
  2. Step 2: Convert to fraction form
    2,580.06/3,557.16 = 2,107.50/x
  3. Step 3: Cross multiply
    2,580.06x = 3,557.16 × 2,107.50
  4. Step 4: Simplify right side
    2,580.06x = 7,496,714.70
  5. Step 5: Solve for x
    x = 7,496,714.70/2,580.06
  6. Step 6: Final answer
    x = 2,905.64

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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.