Home / 2,271.26-3,133.32-1,485.20

Finding the Fourth Proportional to 2,271.26, 3,133.32 and 1,485.20

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Solution

The fourth proportional to 2,271.26, 3,133.32 and 1,485.20 is: 2,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.26 : 3,133.32 = 1,485.20 : x
  2. Step 2: Convert to fraction form
    2,271.26/3,133.32 = 1,485.20/x
  3. Step 3: Cross multiply
    2,271.26x = 3,133.32 × 1,485.20
  4. Step 4: Simplify right side
    2,271.26x = 4,653,606.86
  5. Step 5: Solve for x
    x = 4,653,606.86/2,271.26
  6. Step 6: Final answer
    x = 2,048.91

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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.