Home / 2,254.09-3,110.81-1,310.17

Finding the Fourth Proportional to 2,254.09, 3,110.81 and 1,310.17

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Solution

The fourth proportional to 2,254.09, 3,110.81 and 1,310.17 is: 1,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.09 : 3,110.81 = 1,310.17 : x
  2. Step 2: Convert to fraction form
    2,254.09/3,110.81 = 1,310.17/x
  3. Step 3: Cross multiply
    2,254.09x = 3,110.81 × 1,310.17
  4. Step 4: Simplify right side
    2,254.09x = 4,075,693.21
  5. Step 5: Solve for x
    x = 4,075,693.21/2,254.09
  6. Step 6: Final answer
    x = 1,808.14

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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.