Home / 3,834.89-5,295.47-2,421.10

Finding the Fourth Proportional to 3,834.89, 5,295.47 and 2,421.10

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Solution

The fourth proportional to 3,834.89, 5,295.47 and 2,421.10 is: 3,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.89 : 5,295.47 = 2,421.10 : x
  2. Step 2: Convert to fraction form
    3,834.89/5,295.47 = 2,421.10/x
  3. Step 3: Cross multiply
    3,834.89x = 5,295.47 × 2,421.10
  4. Step 4: Simplify right side
    3,834.89x = 12,820,837.07
  5. Step 5: Solve for x
    x = 12,820,837.07/3,834.89
  6. Step 6: Final answer
    x = 3,343.21

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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.