Home / 2,110.34-2,911.38-1,271.04

Finding the Fourth Proportional to 2,110.34, 2,911.38 and 1,271.04

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Solution

The fourth proportional to 2,110.34, 2,911.38 and 1,271.04 is: 1,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.34 : 2,911.38 = 1,271.04 : x
  2. Step 2: Convert to fraction form
    2,110.34/2,911.38 = 1,271.04/x
  3. Step 3: Cross multiply
    2,110.34x = 2,911.38 × 1,271.04
  4. Step 4: Simplify right side
    2,110.34x = 3,700,480.44
  5. Step 5: Solve for x
    x = 3,700,480.44/2,110.34
  6. Step 6: Final answer
    x = 1,753.50

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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.