Home / 2,112.48-3,166.40-1,624.32

Finding the Fourth Proportional to 2,112.48, 3,166.40 and 1,624.32

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Solution

The fourth proportional to 2,112.48, 3,166.40 and 1,624.32 is: 2,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.48 : 3,166.40 = 1,624.32 : x
  2. Step 2: Convert to fraction form
    2,112.48/3,166.40 = 1,624.32/x
  3. Step 3: Cross multiply
    2,112.48x = 3,166.40 × 1,624.32
  4. Step 4: Simplify right side
    2,112.48x = 5,143,246.85
  5. Step 5: Solve for x
    x = 5,143,246.85/2,112.48
  6. Step 6: Final answer
    x = 2,434.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.