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Finding the Fourth Proportional to 2,866.41, 4,297.86 and 2,520.45

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Solution

The fourth proportional to 2,866.41, 4,297.86 and 2,520.45 is: 3,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.41 : 4,297.86 = 2,520.45 : x
  2. Step 2: Convert to fraction form
    2,866.41/4,297.86 = 2,520.45/x
  3. Step 3: Cross multiply
    2,866.41x = 4,297.86 × 2,520.45
  4. Step 4: Simplify right side
    2,866.41x = 10,832,541.24
  5. Step 5: Solve for x
    x = 10,832,541.24/2,866.41
  6. Step 6: Final answer
    x = 3,779.13

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1.5x scale

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.