Home / 2,968.10-4,450.80-1,581.08

Finding the Fourth Proportional to 2,968.10, 4,450.80 and 1,581.08

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Solution

The fourth proportional to 2,968.10, 4,450.80 and 1,581.08 is: 2,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.10 : 4,450.80 = 1,581.08 : x
  2. Step 2: Convert to fraction form
    2,968.10/4,450.80 = 1,581.08/x
  3. Step 3: Cross multiply
    2,968.10x = 4,450.80 × 1,581.08
  4. Step 4: Simplify right side
    2,968.10x = 7,037,070.86
  5. Step 5: Solve for x
    x = 7,037,070.86/2,968.10
  6. Step 6: Final answer
    x = 2,370.90

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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.