Home / 3,607.34-4,977.33-2,431.76

Finding the Fourth Proportional to 3,607.34, 4,977.33 and 2,431.76

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Solution

The fourth proportional to 3,607.34, 4,977.33 and 2,431.76 is: 3,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.34 : 4,977.33 = 2,431.76 : x
  2. Step 2: Convert to fraction form
    3,607.34/4,977.33 = 2,431.76/x
  3. Step 3: Cross multiply
    3,607.34x = 4,977.33 × 2,431.76
  4. Step 4: Simplify right side
    3,607.34x = 12,103,672.00
  5. Step 5: Solve for x
    x = 12,103,672.00/3,607.34
  6. Step 6: Final answer
    x = 3,355.29

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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.