Home / 1,563.09-2,157.42-1,032.07

Finding the Fourth Proportional to 1,563.09, 2,157.42 and 1,032.07

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Solution

The fourth proportional to 1,563.09, 2,157.42 and 1,032.07 is: 1,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.09 : 2,157.42 = 1,032.07 : x
  2. Step 2: Convert to fraction form
    1,563.09/2,157.42 = 1,032.07/x
  3. Step 3: Cross multiply
    1,563.09x = 2,157.42 × 1,032.07
  4. Step 4: Simplify right side
    1,563.09x = 2,226,608.46
  5. Step 5: Solve for x
    x = 2,226,608.46/1,563.09
  6. Step 6: Final answer
    x = 1,424.49

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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.