Home / 1,626.19-2,242.92-1,129.66

Finding the Fourth Proportional to 1,626.19, 2,242.92 and 1,129.66

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Solution

The fourth proportional to 1,626.19, 2,242.92 and 1,129.66 is: 1,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.19 : 2,242.92 = 1,129.66 : x
  2. Step 2: Convert to fraction form
    1,626.19/2,242.92 = 1,129.66/x
  3. Step 3: Cross multiply
    1,626.19x = 2,242.92 × 1,129.66
  4. Step 4: Simplify right side
    1,626.19x = 2,533,735.64
  5. Step 5: Solve for x
    x = 2,533,735.64/1,626.19
  6. Step 6: Final answer
    x = 1,558.08

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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.