Home / 1,563.14-2,153.88-1,064.92

Finding the Fourth Proportional to 1,563.14, 2,153.88 and 1,064.92

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Solution

The fourth proportional to 1,563.14, 2,153.88 and 1,064.92 is: 1,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.14 : 2,153.88 = 1,064.92 : x
  2. Step 2: Convert to fraction form
    1,563.14/2,153.88 = 1,064.92/x
  3. Step 3: Cross multiply
    1,563.14x = 2,153.88 × 1,064.92
  4. Step 4: Simplify right side
    1,563.14x = 2,293,709.89
  5. Step 5: Solve for x
    x = 2,293,709.89/1,563.14
  6. Step 6: Final answer
    x = 1,467.37

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1.5x scale

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.