Home / 3,018.53-4,521.63-2,465.21

Finding the Fourth Proportional to 3,018.53, 4,521.63 and 2,465.21

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Solution

The fourth proportional to 3,018.53, 4,521.63 and 2,465.21 is: 3,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.53 : 4,521.63 = 2,465.21 : x
  2. Step 2: Convert to fraction form
    3,018.53/4,521.63 = 2,465.21/x
  3. Step 3: Cross multiply
    3,018.53x = 4,521.63 × 2,465.21
  4. Step 4: Simplify right side
    3,018.53x = 11,146,767.49
  5. Step 5: Solve for x
    x = 11,146,767.49/3,018.53
  6. Step 6: Final answer
    x = 3,692.78

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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.