Home / 1,852.08-2,776.71-1,121.46

Finding the Fourth Proportional to 1,852.08, 2,776.71 and 1,121.46

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Solution

The fourth proportional to 1,852.08, 2,776.71 and 1,121.46 is: 1,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.08 : 2,776.71 = 1,121.46 : x
  2. Step 2: Convert to fraction form
    1,852.08/2,776.71 = 1,121.46/x
  3. Step 3: Cross multiply
    1,852.08x = 2,776.71 × 1,121.46
  4. Step 4: Simplify right side
    1,852.08x = 3,113,969.20
  5. Step 5: Solve for x
    x = 3,113,969.20/1,852.08
  6. Step 6: Final answer
    x = 1,681.34

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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.