Home / 1,579.11-2,369.02-483.40

Finding the Fourth Proportional to 1,579.11, 2,369.02 and 483.40

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Solution

The fourth proportional to 1,579.11, 2,369.02 and 483.40 is: 725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.11 : 2,369.02 = 483.40 : x
  2. Step 2: Convert to fraction form
    1,579.11/2,369.02 = 483.40/x
  3. Step 3: Cross multiply
    1,579.11x = 2,369.02 × 483.40
  4. Step 4: Simplify right side
    1,579.11x = 1,145,184.27
  5. Step 5: Solve for x
    x = 1,145,184.27/1,579.11
  6. Step 6: Final answer
    x = 725.21

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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.