Home / 3,426.03-5,130.75-1,960.74

Finding the Fourth Proportional to 3,426.03, 5,130.75 and 1,960.74

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Solution

The fourth proportional to 3,426.03, 5,130.75 and 1,960.74 is: 2,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.03 : 5,130.75 = 1,960.74 : x
  2. Step 2: Convert to fraction form
    3,426.03/5,130.75 = 1,960.74/x
  3. Step 3: Cross multiply
    3,426.03x = 5,130.75 × 1,960.74
  4. Step 4: Simplify right side
    3,426.03x = 10,060,066.76
  5. Step 5: Solve for x
    x = 10,060,066.76/3,426.03
  6. Step 6: Final answer
    x = 2,936.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.