Home / 1,624.25-2,234.39-1,424.18

Finding the Fourth Proportional to 1,624.25, 2,234.39 and 1,424.18

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Solution

The fourth proportional to 1,624.25, 2,234.39 and 1,424.18 is: 1,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.25 : 2,234.39 = 1,424.18 : x
  2. Step 2: Convert to fraction form
    1,624.25/2,234.39 = 1,424.18/x
  3. Step 3: Cross multiply
    1,624.25x = 2,234.39 × 1,424.18
  4. Step 4: Simplify right side
    1,624.25x = 3,182,172.02
  5. Step 5: Solve for x
    x = 3,182,172.02/1,624.25
  6. Step 6: Final answer
    x = 1,959.16

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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.