Home / 3,018.16-4,165.93-2,122.13

Finding the Fourth Proportional to 3,018.16, 4,165.93 and 2,122.13

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Solution

The fourth proportional to 3,018.16, 4,165.93 and 2,122.13 is: 2,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.16 : 4,165.93 = 2,122.13 : x
  2. Step 2: Convert to fraction form
    3,018.16/4,165.93 = 2,122.13/x
  3. Step 3: Cross multiply
    3,018.16x = 4,165.93 × 2,122.13
  4. Step 4: Simplify right side
    3,018.16x = 8,840,658.10
  5. Step 5: Solve for x
    x = 8,840,658.10/3,018.16
  6. Step 6: Final answer
    x = 2,929.15

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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.