Home / 2,349.29-3,240.87-1,821.68

Finding the Fourth Proportional to 2,349.29, 3,240.87 and 1,821.68

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Solution

The fourth proportional to 2,349.29, 3,240.87 and 1,821.68 is: 2,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.29 : 3,240.87 = 1,821.68 : x
  2. Step 2: Convert to fraction form
    2,349.29/3,240.87 = 1,821.68/x
  3. Step 3: Cross multiply
    2,349.29x = 3,240.87 × 1,821.68
  4. Step 4: Simplify right side
    2,349.29x = 5,903,828.06
  5. Step 5: Solve for x
    x = 5,903,828.06/2,349.29
  6. Step 6: Final answer
    x = 2,513.03

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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.