Home / 2,070.08-3,105.16-1,657.30

Finding the Fourth Proportional to 2,070.08, 3,105.16 and 1,657.30

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Solution

The fourth proportional to 2,070.08, 3,105.16 and 1,657.30 is: 2,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.08 : 3,105.16 = 1,657.30 : x
  2. Step 2: Convert to fraction form
    2,070.08/3,105.16 = 1,657.30/x
  3. Step 3: Cross multiply
    2,070.08x = 3,105.16 × 1,657.30
  4. Step 4: Simplify right side
    2,070.08x = 5,146,181.67
  5. Step 5: Solve for x
    x = 5,146,181.67/2,070.08
  6. Step 6: Final answer
    x = 2,485.98

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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.