Home / 2,070.32-2,857.00-1,126.09

Finding the Fourth Proportional to 2,070.32, 2,857.00 and 1,126.09

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Solution

The fourth proportional to 2,070.32, 2,857.00 and 1,126.09 is: 1,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.32 : 2,857.00 = 1,126.09 : x
  2. Step 2: Convert to fraction form
    2,070.32/2,857.00 = 1,126.09/x
  3. Step 3: Cross multiply
    2,070.32x = 2,857.00 × 1,126.09
  4. Step 4: Simplify right side
    2,070.32x = 3,217,234.81
  5. Step 5: Solve for x
    x = 3,217,234.81/2,070.32
  6. Step 6: Final answer
    x = 1,553.98

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1.5x scale

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.