Home / 1,626.48-2,244.60-928.08

Finding the Fourth Proportional to 1,626.48, 2,244.60 and 928.08

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Solution

The fourth proportional to 1,626.48, 2,244.60 and 928.08 is: 1,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.48 : 2,244.60 = 928.08 : x
  2. Step 2: Convert to fraction form
    1,626.48/2,244.60 = 928.08/x
  3. Step 3: Cross multiply
    1,626.48x = 2,244.60 × 928.08
  4. Step 4: Simplify right side
    1,626.48x = 2,083,168.37
  5. Step 5: Solve for x
    x = 2,083,168.37/1,626.48
  6. Step 6: Final answer
    x = 1,280.78

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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.