Home / 2,070.45-2,857.17-1,126.26

Finding the Fourth Proportional to 2,070.45, 2,857.17 and 1,126.26

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Solution

The fourth proportional to 2,070.45, 2,857.17 and 1,126.26 is: 1,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.45 : 2,857.17 = 1,126.26 : x
  2. Step 2: Convert to fraction form
    2,070.45/2,857.17 = 1,126.26/x
  3. Step 3: Cross multiply
    2,070.45x = 2,857.17 × 1,126.26
  4. Step 4: Simplify right side
    2,070.45x = 3,217,916.28
  5. Step 5: Solve for x
    x = 3,217,916.28/2,070.45
  6. Step 6: Final answer
    x = 1,554.21

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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.