Home / 1,852.90-2,776.23-1,120.24

Finding the Fourth Proportional to 1,852.90, 2,776.23 and 1,120.24

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Solution

The fourth proportional to 1,852.90, 2,776.23 and 1,120.24 is: 1,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.90 : 2,776.23 = 1,120.24 : x
  2. Step 2: Convert to fraction form
    1,852.90/2,776.23 = 1,120.24/x
  3. Step 3: Cross multiply
    1,852.90x = 2,776.23 × 1,120.24
  4. Step 4: Simplify right side
    1,852.90x = 3,110,043.90
  5. Step 5: Solve for x
    x = 3,110,043.90/1,852.90
  6. Step 6: Final answer
    x = 1,678.47

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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.