Home / 1,563.12-2,152.44-1,341.72

Finding the Fourth Proportional to 1,563.12, 2,152.44 and 1,341.72

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Solution

The fourth proportional to 1,563.12, 2,152.44 and 1,341.72 is: 1,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.12 : 2,152.44 = 1,341.72 : x
  2. Step 2: Convert to fraction form
    1,563.12/2,152.44 = 1,341.72/x
  3. Step 3: Cross multiply
    1,563.12x = 2,152.44 × 1,341.72
  4. Step 4: Simplify right side
    1,563.12x = 2,887,971.80
  5. Step 5: Solve for x
    x = 2,887,971.80/1,563.12
  6. Step 6: Final answer
    x = 1,847.57

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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.