Home / 1,543.63-2,318.18-1,479.85

Finding the Fourth Proportional to 1,543.63, 2,318.18 and 1,479.85

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Solution

The fourth proportional to 1,543.63, 2,318.18 and 1,479.85 is: 2,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.63 : 2,318.18 = 1,479.85 : x
  2. Step 2: Convert to fraction form
    1,543.63/2,318.18 = 1,479.85/x
  3. Step 3: Cross multiply
    1,543.63x = 2,318.18 × 1,479.85
  4. Step 4: Simplify right side
    1,543.63x = 3,430,558.67
  5. Step 5: Solve for x
    x = 3,430,558.67/1,543.63
  6. Step 6: Final answer
    x = 2,222.40

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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.