Home / 2,004.19-2,762.49-1,561.33

Finding the Fourth Proportional to 2,004.19, 2,762.49 and 1,561.33

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Solution

The fourth proportional to 2,004.19, 2,762.49 and 1,561.33 is: 2,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.19 : 2,762.49 = 1,561.33 : x
  2. Step 2: Convert to fraction form
    2,004.19/2,762.49 = 1,561.33/x
  3. Step 3: Cross multiply
    2,004.19x = 2,762.49 × 1,561.33
  4. Step 4: Simplify right side
    2,004.19x = 4,313,158.51
  5. Step 5: Solve for x
    x = 4,313,158.51/2,004.19
  6. Step 6: Final answer
    x = 2,152.07

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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.