Home / 1,907.24-2,631.72-1,110.34

Finding the Fourth Proportional to 1,907.24, 2,631.72 and 1,110.34

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Solution

The fourth proportional to 1,907.24, 2,631.72 and 1,110.34 is: 1,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.24 : 2,631.72 = 1,110.34 : x
  2. Step 2: Convert to fraction form
    1,907.24/2,631.72 = 1,110.34/x
  3. Step 3: Cross multiply
    1,907.24x = 2,631.72 × 1,110.34
  4. Step 4: Simplify right side
    1,907.24x = 2,922,103.98
  5. Step 5: Solve for x
    x = 2,922,103.98/1,907.24
  6. Step 6: Final answer
    x = 1,532.11

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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.