Home / 2,013.02-3,018.30-1,318.84

Finding the Fourth Proportional to 2,013.02, 3,018.30 and 1,318.84

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Solution

The fourth proportional to 2,013.02, 3,018.30 and 1,318.84 is: 1,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.02 : 3,018.30 = 1,318.84 : x
  2. Step 2: Convert to fraction form
    2,013.02/3,018.30 = 1,318.84/x
  3. Step 3: Cross multiply
    2,013.02x = 3,018.30 × 1,318.84
  4. Step 4: Simplify right side
    2,013.02x = 3,980,654.77
  5. Step 5: Solve for x
    x = 3,980,654.77/2,013.02
  6. Step 6: Final answer
    x = 1,977.45

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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.