Home / 2,550.19-3,518.37-1,666.51

Finding the Fourth Proportional to 2,550.19, 3,518.37 and 1,666.51

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Solution

The fourth proportional to 2,550.19, 3,518.37 and 1,666.51 is: 2,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.19 : 3,518.37 = 1,666.51 : x
  2. Step 2: Convert to fraction form
    2,550.19/3,518.37 = 1,666.51/x
  3. Step 3: Cross multiply
    2,550.19x = 3,518.37 × 1,666.51
  4. Step 4: Simplify right side
    2,550.19x = 5,863,386.06
  5. Step 5: Solve for x
    x = 5,863,386.06/2,550.19
  6. Step 6: Final answer
    x = 2,299.19

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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.