Home / 1,626.40-2,244.12-927.68

Finding the Fourth Proportional to 1,626.40, 2,244.12 and 927.68

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Solution

The fourth proportional to 1,626.40, 2,244.12 and 927.68 is: 1,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.40 : 2,244.12 = 927.68 : x
  2. Step 2: Convert to fraction form
    1,626.40/2,244.12 = 927.68/x
  3. Step 3: Cross multiply
    1,626.40x = 2,244.12 × 927.68
  4. Step 4: Simplify right side
    1,626.40x = 2,081,825.24
  5. Step 5: Solve for x
    x = 2,081,825.24/1,626.40
  6. Step 6: Final answer
    x = 1,280.02

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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.