Home / 3,528-4,868.76-2,288.16

Finding the Fourth Proportional to 3,528, 4,868.76 and 2,288.16

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Solution

The fourth proportional to 3,528, 4,868.76 and 2,288.16 is: 3,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528 : 4,868.76 = 2,288.16 : x
  2. Step 2: Convert to fraction form
    3,528/4,868.76 = 2,288.16/x
  3. Step 3: Cross multiply
    3,528x = 4,868.76 × 2,288.16
  4. Step 4: Simplify right side
    3,528x = 11,140,501.88
  5. Step 5: Solve for x
    x = 11,140,501.88/3,528
  6. Step 6: Final answer
    x = 3,157.74

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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.