Home / 1,899.53-2,621.45-1,060.31

Finding the Fourth Proportional to 1,899.53, 2,621.45 and 1,060.31

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Solution

The fourth proportional to 1,899.53, 2,621.45 and 1,060.31 is: 1,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.53 : 2,621.45 = 1,060.31 : x
  2. Step 2: Convert to fraction form
    1,899.53/2,621.45 = 1,060.31/x
  3. Step 3: Cross multiply
    1,899.53x = 2,621.45 × 1,060.31
  4. Step 4: Simplify right side
    1,899.53x = 2,779,549.65
  5. Step 5: Solve for x
    x = 2,779,549.65/1,899.53
  6. Step 6: Final answer
    x = 1,463.28

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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.