Home / 3,518.45-5,275.72-1,439.91

Finding the Fourth Proportional to 3,518.45, 5,275.72 and 1,439.91

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Solution

The fourth proportional to 3,518.45, 5,275.72 and 1,439.91 is: 2,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.45 : 5,275.72 = 1,439.91 : x
  2. Step 2: Convert to fraction form
    3,518.45/5,275.72 = 1,439.91/x
  3. Step 3: Cross multiply
    3,518.45x = 5,275.72 × 1,439.91
  4. Step 4: Simplify right side
    3,518.45x = 7,596,561.99
  5. Step 5: Solve for x
    x = 7,596,561.99/3,518.45
  6. Step 6: Final answer
    x = 2,159.06

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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.