Home / 1,518.37-2,095.77-889.03

Finding the Fourth Proportional to 1,518.37, 2,095.77 and 889.03

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Solution

The fourth proportional to 1,518.37, 2,095.77 and 889.03 is: 1,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.37 : 2,095.77 = 889.03 : x
  2. Step 2: Convert to fraction form
    1,518.37/2,095.77 = 889.03/x
  3. Step 3: Cross multiply
    1,518.37x = 2,095.77 × 889.03
  4. Step 4: Simplify right side
    1,518.37x = 1,863,202.40
  5. Step 5: Solve for x
    x = 1,863,202.40/1,518.37
  6. Step 6: Final answer
    x = 1,227.11

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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.