Home / 3,530.93-4,868.70-2,890.88

Finding the Fourth Proportional to 3,530.93, 4,868.70 and 2,890.88

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Solution

The fourth proportional to 3,530.93, 4,868.70 and 2,890.88 is: 3,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.93 : 4,868.70 = 2,890.88 : x
  2. Step 2: Convert to fraction form
    3,530.93/4,868.70 = 2,890.88/x
  3. Step 3: Cross multiply
    3,530.93x = 4,868.70 × 2,890.88
  4. Step 4: Simplify right side
    3,530.93x = 14,074,803.11
  5. Step 5: Solve for x
    x = 14,074,803.11/3,530.93
  6. Step 6: Final answer
    x = 3,986.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.