Home / 1,579.18-2,368.56-483.65

Finding the Fourth Proportional to 1,579.18, 2,368.56 and 483.65

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Solution

The fourth proportional to 1,579.18, 2,368.56 and 483.65 is: 725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.18 : 2,368.56 = 483.65 : x
  2. Step 2: Convert to fraction form
    1,579.18/2,368.56 = 483.65/x
  3. Step 3: Cross multiply
    1,579.18x = 2,368.56 × 483.65
  4. Step 4: Simplify right side
    1,579.18x = 1,145,554.04
  5. Step 5: Solve for x
    x = 1,145,554.04/1,579.18
  6. Step 6: Final answer
    x = 725.41

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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.