Home / 3,111.30-4,666.95-2,528.10

Finding the Fourth Proportional to 3,111.30, 4,666.95 and 2,528.10

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Solution

The fourth proportional to 3,111.30, 4,666.95 and 2,528.10 is: 3,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.30 : 4,666.95 = 2,528.10 : x
  2. Step 2: Convert to fraction form
    3,111.30/4,666.95 = 2,528.10/x
  3. Step 3: Cross multiply
    3,111.30x = 4,666.95 × 2,528.10
  4. Step 4: Simplify right side
    3,111.30x = 11,798,516.30
  5. Step 5: Solve for x
    x = 11,798,516.30/3,111.30
  6. Step 6: Final answer
    x = 3,792.15

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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.