Home / 3,186.30-4,752.32-3,130.94

Finding the Fourth Proportional to 3,186.30, 4,752.32 and 3,130.94

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Solution

The fourth proportional to 3,186.30, 4,752.32 and 3,130.94 is: 4,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.30 : 4,752.32 = 3,130.94 : x
  2. Step 2: Convert to fraction form
    3,186.30/4,752.32 = 3,130.94/x
  3. Step 3: Cross multiply
    3,186.30x = 4,752.32 × 3,130.94
  4. Step 4: Simplify right side
    3,186.30x = 14,879,228.78
  5. Step 5: Solve for x
    x = 14,879,228.78/3,186.30
  6. Step 6: Final answer
    x = 4,669.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.