Home / 2,110.15-2,910.63-1,270.28

Finding the Fourth Proportional to 2,110.15, 2,910.63 and 1,270.28

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Solution

The fourth proportional to 2,110.15, 2,910.63 and 1,270.28 is: 1,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.15 : 2,910.63 = 1,270.28 : x
  2. Step 2: Convert to fraction form
    2,110.15/2,910.63 = 1,270.28/x
  3. Step 3: Cross multiply
    2,110.15x = 2,910.63 × 1,270.28
  4. Step 4: Simplify right side
    2,110.15x = 3,697,327.12
  5. Step 5: Solve for x
    x = 3,697,327.12/2,110.15
  6. Step 6: Final answer
    x = 1,752.16

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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.