Home / 1,473.06-2,218.83-1,247.07

Finding the Fourth Proportional to 1,473.06, 2,218.83 and 1,247.07

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Solution

The fourth proportional to 1,473.06, 2,218.83 and 1,247.07 is: 1,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.06 : 2,218.83 = 1,247.07 : x
  2. Step 2: Convert to fraction form
    1,473.06/2,218.83 = 1,247.07/x
  3. Step 3: Cross multiply
    1,473.06x = 2,218.83 × 1,247.07
  4. Step 4: Simplify right side
    1,473.06x = 2,767,036.33
  5. Step 5: Solve for x
    x = 2,767,036.33/1,473.06
  6. Step 6: Final answer
    x = 1,878.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.