Home / 1,563.06-2,345.37-948.30

Finding the Fourth Proportional to 1,563.06, 2,345.37 and 948.30

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Solution

The fourth proportional to 1,563.06, 2,345.37 and 948.30 is: 1,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.06 : 2,345.37 = 948.30 : x
  2. Step 2: Convert to fraction form
    1,563.06/2,345.37 = 948.30/x
  3. Step 3: Cross multiply
    1,563.06x = 2,345.37 × 948.30
  4. Step 4: Simplify right side
    1,563.06x = 2,224,114.37
  5. Step 5: Solve for x
    x = 2,224,114.37/1,563.06
  6. Step 6: Final answer
    x = 1,422.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.