Home / 3,512.13-5,266.73-1,430.72

Finding the Fourth Proportional to 3,512.13, 5,266.73 and 1,430.72

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Solution

The fourth proportional to 3,512.13, 5,266.73 and 1,430.72 is: 2,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.13 : 5,266.73 = 1,430.72 : x
  2. Step 2: Convert to fraction form
    3,512.13/5,266.73 = 1,430.72/x
  3. Step 3: Cross multiply
    3,512.13x = 5,266.73 × 1,430.72
  4. Step 4: Simplify right side
    3,512.13x = 7,535,215.95
  5. Step 5: Solve for x
    x = 7,535,215.95/3,512.13
  6. Step 6: Final answer
    x = 2,145.48

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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.