Home / 2,003.40-2,763.14-1,340.04

Finding the Fourth Proportional to 2,003.40, 2,763.14 and 1,340.04

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Solution

The fourth proportional to 2,003.40, 2,763.14 and 1,340.04 is: 1,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.40 : 2,763.14 = 1,340.04 : x
  2. Step 2: Convert to fraction form
    2,003.40/2,763.14 = 1,340.04/x
  3. Step 3: Cross multiply
    2,003.40x = 2,763.14 × 1,340.04
  4. Step 4: Simplify right side
    2,003.40x = 3,702,718.13
  5. Step 5: Solve for x
    x = 3,702,718.13/2,003.40
  6. Step 6: Final answer
    x = 1,848.22

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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.