Home / 1,899.81-2,621.75-1,060.56

Finding the Fourth Proportional to 1,899.81, 2,621.75 and 1,060.56

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Solution

The fourth proportional to 1,899.81, 2,621.75 and 1,060.56 is: 1,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.81 : 2,621.75 = 1,060.56 : x
  2. Step 2: Convert to fraction form
    1,899.81/2,621.75 = 1,060.56/x
  3. Step 3: Cross multiply
    1,899.81x = 2,621.75 × 1,060.56
  4. Step 4: Simplify right side
    1,899.81x = 2,780,523.18
  5. Step 5: Solve for x
    x = 2,780,523.18/1,899.81
  6. Step 6: Final answer
    x = 1,463.58

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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.