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Finding the Fourth Proportional to 2,774.25, 4,159.80 and 924.36

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Solution

The fourth proportional to 2,774.25, 4,159.80 and 924.36 is: 1,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.25 : 4,159.80 = 924.36 : x
  2. Step 2: Convert to fraction form
    2,774.25/4,159.80 = 924.36/x
  3. Step 3: Cross multiply
    2,774.25x = 4,159.80 × 924.36
  4. Step 4: Simplify right side
    2,774.25x = 3,845,152.73
  5. Step 5: Solve for x
    x = 3,845,152.73/2,774.25
  6. Step 6: Final answer
    x = 1,386.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.