Home / 1,649.33-2,276.49-1,119.11

Finding the Fourth Proportional to 1,649.33, 2,276.49 and 1,119.11

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Solution

The fourth proportional to 1,649.33, 2,276.49 and 1,119.11 is: 1,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.33 : 2,276.49 = 1,119.11 : x
  2. Step 2: Convert to fraction form
    1,649.33/2,276.49 = 1,119.11/x
  3. Step 3: Cross multiply
    1,649.33x = 2,276.49 × 1,119.11
  4. Step 4: Simplify right side
    1,649.33x = 2,547,631.34
  5. Step 5: Solve for x
    x = 2,547,631.34/1,649.33
  6. Step 6: Final answer
    x = 1,544.64

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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.