Home / 1,486.27-2,048.29-1,219.16

Finding the Fourth Proportional to 1,486.27, 2,048.29 and 1,219.16

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Solution

The fourth proportional to 1,486.27, 2,048.29 and 1,219.16 is: 1,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.27 : 2,048.29 = 1,219.16 : x
  2. Step 2: Convert to fraction form
    1,486.27/2,048.29 = 1,219.16/x
  3. Step 3: Cross multiply
    1,486.27x = 2,048.29 × 1,219.16
  4. Step 4: Simplify right side
    1,486.27x = 2,497,189.58
  5. Step 5: Solve for x
    x = 2,497,189.58/1,486.27
  6. Step 6: Final answer
    x = 1,680.17

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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.