Home / 2,070.58-3,102.62-1,761.16

Finding the Fourth Proportional to 2,070.58, 3,102.62 and 1,761.16

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Solution

The fourth proportional to 2,070.58, 3,102.62 and 1,761.16 is: 2,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.58 : 3,102.62 = 1,761.16 : x
  2. Step 2: Convert to fraction form
    2,070.58/3,102.62 = 1,761.16/x
  3. Step 3: Cross multiply
    2,070.58x = 3,102.62 × 1,761.16
  4. Step 4: Simplify right side
    2,070.58x = 5,464,210.24
  5. Step 5: Solve for x
    x = 5,464,210.24/2,070.58
  6. Step 6: Final answer
    x = 2,638.98

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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.