Home / 1,899.94-2,621.90-1,060.63

Finding the Fourth Proportional to 1,899.94, 2,621.90 and 1,060.63

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Solution

The fourth proportional to 1,899.94, 2,621.90 and 1,060.63 is: 1,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.94 : 2,621.90 = 1,060.63 : x
  2. Step 2: Convert to fraction form
    1,899.94/2,621.90 = 1,060.63/x
  3. Step 3: Cross multiply
    1,899.94x = 2,621.90 × 1,060.63
  4. Step 4: Simplify right side
    1,899.94x = 2,780,865.80
  5. Step 5: Solve for x
    x = 2,780,865.80/1,899.94
  6. Step 6: Final answer
    x = 1,463.66

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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.