Home / 3,098.18-4,647.98-1,018.32

Finding the Fourth Proportional to 3,098.18, 4,647.98 and 1,018.32

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Solution

The fourth proportional to 3,098.18, 4,647.98 and 1,018.32 is: 1,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.18 : 4,647.98 = 1,018.32 : x
  2. Step 2: Convert to fraction form
    3,098.18/4,647.98 = 1,018.32/x
  3. Step 3: Cross multiply
    3,098.18x = 4,647.98 × 1,018.32
  4. Step 4: Simplify right side
    3,098.18x = 4,733,130.99
  5. Step 5: Solve for x
    x = 4,733,130.99/3,098.18
  6. Step 6: Final answer
    x = 1,527.71

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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.