Home / 3,155.10-4,732.77-1,206.18

Finding the Fourth Proportional to 3,155.10, 4,732.77 and 1,206.18

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Solution

The fourth proportional to 3,155.10, 4,732.77 and 1,206.18 is: 1,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.10 : 4,732.77 = 1,206.18 : x
  2. Step 2: Convert to fraction form
    3,155.10/4,732.77 = 1,206.18/x
  3. Step 3: Cross multiply
    3,155.10x = 4,732.77 × 1,206.18
  4. Step 4: Simplify right side
    3,155.10x = 5,708,572.52
  5. Step 5: Solve for x
    x = 5,708,572.52/3,155.10
  6. Step 6: Final answer
    x = 1,809.32

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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.