Home / 1,622.66-2,238.26-1,125.32

Finding the Fourth Proportional to 1,622.66, 2,238.26 and 1,125.32

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Solution

The fourth proportional to 1,622.66, 2,238.26 and 1,125.32 is: 1,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.66 : 2,238.26 = 1,125.32 : x
  2. Step 2: Convert to fraction form
    1,622.66/2,238.26 = 1,125.32/x
  3. Step 3: Cross multiply
    1,622.66x = 2,238.26 × 1,125.32
  4. Step 4: Simplify right side
    1,622.66x = 2,518,758.74
  5. Step 5: Solve for x
    x = 2,518,758.74/1,622.66
  6. Step 6: Final answer
    x = 1,552.24

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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.