Home / 2,918.73-4,018.44-2,598.18

Finding the Fourth Proportional to 2,918.73, 4,018.44 and 2,598.18

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Solution

The fourth proportional to 2,918.73, 4,018.44 and 2,598.18 is: 3,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.73 : 4,018.44 = 2,598.18 : x
  2. Step 2: Convert to fraction form
    2,918.73/4,018.44 = 2,598.18/x
  3. Step 3: Cross multiply
    2,918.73x = 4,018.44 × 2,598.18
  4. Step 4: Simplify right side
    2,918.73x = 10,440,625.11
  5. Step 5: Solve for x
    x = 10,440,625.11/2,918.73
  6. Step 6: Final answer
    x = 3,577.11

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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.