Home / 3,371.34-4,651.62-2,113.02

Finding the Fourth Proportional to 3,371.34, 4,651.62 and 2,113.02

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Solution

The fourth proportional to 3,371.34, 4,651.62 and 2,113.02 is: 2,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.34 : 4,651.62 = 2,113.02 : x
  2. Step 2: Convert to fraction form
    3,371.34/4,651.62 = 2,113.02/x
  3. Step 3: Cross multiply
    3,371.34x = 4,651.62 × 2,113.02
  4. Step 4: Simplify right side
    3,371.34x = 9,828,966.09
  5. Step 5: Solve for x
    x = 9,828,966.09/3,371.34
  6. Step 6: Final answer
    x = 2,915.45

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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.