Home / 1,563.44-2,157.84-1,116.52

Finding the Fourth Proportional to 1,563.44, 2,157.84 and 1,116.52

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Solution

The fourth proportional to 1,563.44, 2,157.84 and 1,116.52 is: 1,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.44 : 2,157.84 = 1,116.52 : x
  2. Step 2: Convert to fraction form
    1,563.44/2,157.84 = 1,116.52/x
  3. Step 3: Cross multiply
    1,563.44x = 2,157.84 × 1,116.52
  4. Step 4: Simplify right side
    1,563.44x = 2,409,266.12
  5. Step 5: Solve for x
    x = 2,409,266.12/1,563.44
  6. Step 6: Final answer
    x = 1,541.01

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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.