Home / 1,774.04-2,448.44-1,278.32

Finding the Fourth Proportional to 1,774.04, 2,448.44 and 1,278.32

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Solution

The fourth proportional to 1,774.04, 2,448.44 and 1,278.32 is: 1,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.04 : 2,448.44 = 1,278.32 : x
  2. Step 2: Convert to fraction form
    1,774.04/2,448.44 = 1,278.32/x
  3. Step 3: Cross multiply
    1,774.04x = 2,448.44 × 1,278.32
  4. Step 4: Simplify right side
    1,774.04x = 3,129,889.82
  5. Step 5: Solve for x
    x = 3,129,889.82/1,774.04
  6. Step 6: Final answer
    x = 1,764.27

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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.