Home / 1,494.96-2,225.44-1,424.20

Finding the Fourth Proportional to 1,494.96, 2,225.44 and 1,424.20

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Solution

The fourth proportional to 1,494.96, 2,225.44 and 1,424.20 is: 2,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.96 : 2,225.44 = 1,424.20 : x
  2. Step 2: Convert to fraction form
    1,494.96/2,225.44 = 1,424.20/x
  3. Step 3: Cross multiply
    1,494.96x = 2,225.44 × 1,424.20
  4. Step 4: Simplify right side
    1,494.96x = 3,169,471.65
  5. Step 5: Solve for x
    x = 3,169,471.65/1,494.96
  6. Step 6: Final answer
    x = 2,120.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.