Home / 3,155.08-4,722.70-2,602.12

Finding the Fourth Proportional to 3,155.08, 4,722.70 and 2,602.12

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Solution

The fourth proportional to 3,155.08, 4,722.70 and 2,602.12 is: 3,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.08 : 4,722.70 = 2,602.12 : x
  2. Step 2: Convert to fraction form
    3,155.08/4,722.70 = 2,602.12/x
  3. Step 3: Cross multiply
    3,155.08x = 4,722.70 × 2,602.12
  4. Step 4: Simplify right side
    3,155.08x = 12,289,032.12
  5. Step 5: Solve for x
    x = 12,289,032.12/3,155.08
  6. Step 6: Final answer
    x = 3,895.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.