Home / 3,029.99-4,180.95-1,685.49

Finding the Fourth Proportional to 3,029.99, 4,180.95 and 1,685.49

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Solution

The fourth proportional to 3,029.99, 4,180.95 and 1,685.49 is: 2,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.99 : 4,180.95 = 1,685.49 : x
  2. Step 2: Convert to fraction form
    3,029.99/4,180.95 = 1,685.49/x
  3. Step 3: Cross multiply
    3,029.99x = 4,180.95 × 1,685.49
  4. Step 4: Simplify right side
    3,029.99x = 7,046,949.42
  5. Step 5: Solve for x
    x = 7,046,949.42/3,029.99
  6. Step 6: Final answer
    x = 2,325.74

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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.