Home / 2,010.30-2,774.38-1,126.28

Finding the Fourth Proportional to 2,010.30, 2,774.38 and 1,126.28

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Solution

The fourth proportional to 2,010.30, 2,774.38 and 1,126.28 is: 1,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.30 : 2,774.38 = 1,126.28 : x
  2. Step 2: Convert to fraction form
    2,010.30/2,774.38 = 1,126.28/x
  3. Step 3: Cross multiply
    2,010.30x = 2,774.38 × 1,126.28
  4. Step 4: Simplify right side
    2,010.30x = 3,124,728.71
  5. Step 5: Solve for x
    x = 3,124,728.71/2,010.30
  6. Step 6: Final answer
    x = 1,554.36

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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.