Home / 3,333.81-4,595.31-2,271.21

Finding the Fourth Proportional to 3,333.81, 4,595.31 and 2,271.21

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Solution

The fourth proportional to 3,333.81, 4,595.31 and 2,271.21 is: 3,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.81 : 4,595.31 = 2,271.21 : x
  2. Step 2: Convert to fraction form
    3,333.81/4,595.31 = 2,271.21/x
  3. Step 3: Cross multiply
    3,333.81x = 4,595.31 × 2,271.21
  4. Step 4: Simplify right side
    3,333.81x = 10,436,914.03
  5. Step 5: Solve for x
    x = 10,436,914.03/3,333.81
  6. Step 6: Final answer
    x = 3,130.63

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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.