Home / 2,907.53-4,012.21-1,631.34

Finding the Fourth Proportional to 2,907.53, 4,012.21 and 1,631.34

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Solution

The fourth proportional to 2,907.53, 4,012.21 and 1,631.34 is: 2,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.53 : 4,012.21 = 1,631.34 : x
  2. Step 2: Convert to fraction form
    2,907.53/4,012.21 = 1,631.34/x
  3. Step 3: Cross multiply
    2,907.53x = 4,012.21 × 1,631.34
  4. Step 4: Simplify right side
    2,907.53x = 6,545,258.60
  5. Step 5: Solve for x
    x = 6,545,258.60/2,907.53
  6. Step 6: Final answer
    x = 2,251.14

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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.