Home / 1,624.08-2,431.09-1,313.34

Finding the Fourth Proportional to 1,624.08, 2,431.09 and 1,313.34

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Solution

The fourth proportional to 1,624.08, 2,431.09 and 1,313.34 is: 1,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.08 : 2,431.09 = 1,313.34 : x
  2. Step 2: Convert to fraction form
    1,624.08/2,431.09 = 1,313.34/x
  3. Step 3: Cross multiply
    1,624.08x = 2,431.09 × 1,313.34
  4. Step 4: Simplify right side
    1,624.08x = 3,192,847.74
  5. Step 5: Solve for x
    x = 3,192,847.74/1,624.08
  6. Step 6: Final answer
    x = 1,965.94

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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.