Home / 1,899.58-2,621.30-1,060.21

Finding the Fourth Proportional to 1,899.58, 2,621.30 and 1,060.21

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Solution

The fourth proportional to 1,899.58, 2,621.30 and 1,060.21 is: 1,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.58 : 2,621.30 = 1,060.21 : x
  2. Step 2: Convert to fraction form
    1,899.58/2,621.30 = 1,060.21/x
  3. Step 3: Cross multiply
    1,899.58x = 2,621.30 × 1,060.21
  4. Step 4: Simplify right side
    1,899.58x = 2,779,128.47
  5. Step 5: Solve for x
    x = 2,779,128.47/1,899.58
  6. Step 6: Final answer
    x = 1,463.03

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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.