Home / 2,905.10-4,356.72-1,673.09

Finding the Fourth Proportional to 2,905.10, 4,356.72 and 1,673.09

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Solution

The fourth proportional to 2,905.10, 4,356.72 and 1,673.09 is: 2,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.10 : 4,356.72 = 1,673.09 : x
  2. Step 2: Convert to fraction form
    2,905.10/4,356.72 = 1,673.09/x
  3. Step 3: Cross multiply
    2,905.10x = 4,356.72 × 1,673.09
  4. Step 4: Simplify right side
    2,905.10x = 7,289,162.88
  5. Step 5: Solve for x
    x = 7,289,162.88/2,905.10
  6. Step 6: Final answer
    x = 2,509.10

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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.