Home / 2,899.63-4,343.57-2,315.62

Finding the Fourth Proportional to 2,899.63, 4,343.57 and 2,315.62

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Solution

The fourth proportional to 2,899.63, 4,343.57 and 2,315.62 is: 3,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.63 : 4,343.57 = 2,315.62 : x
  2. Step 2: Convert to fraction form
    2,899.63/4,343.57 = 2,315.62/x
  3. Step 3: Cross multiply
    2,899.63x = 4,343.57 × 2,315.62
  4. Step 4: Simplify right side
    2,899.63x = 10,058,057.56
  5. Step 5: Solve for x
    x = 10,058,057.56/2,899.63
  6. Step 6: Final answer
    x = 3,468.74

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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.