Home / 3,491.06-4,807.15-3,018.08

Finding the Fourth Proportional to 3,491.06, 4,807.15 and 3,018.08

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Solution

The fourth proportional to 3,491.06, 4,807.15 and 3,018.08 is: 4,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.06 : 4,807.15 = 3,018.08 : x
  2. Step 2: Convert to fraction form
    3,491.06/4,807.15 = 3,018.08/x
  3. Step 3: Cross multiply
    3,491.06x = 4,807.15 × 3,018.08
  4. Step 4: Simplify right side
    3,491.06x = 14,508,367.74
  5. Step 5: Solve for x
    x = 14,508,367.74/3,491.06
  6. Step 6: Final answer
    x = 4,155.87

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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.