Home / 1,774.40-2,449.24-1,144.95

Finding the Fourth Proportional to 1,774.40, 2,449.24 and 1,144.95

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Solution

The fourth proportional to 1,774.40, 2,449.24 and 1,144.95 is: 1,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.40 : 2,449.24 = 1,144.95 : x
  2. Step 2: Convert to fraction form
    1,774.40/2,449.24 = 1,144.95/x
  3. Step 3: Cross multiply
    1,774.40x = 2,449.24 × 1,144.95
  4. Step 4: Simplify right side
    1,774.40x = 2,804,239.37
  5. Step 5: Solve for x
    x = 2,804,239.37/1,774.40
  6. Step 6: Final answer
    x = 1,580.39

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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.