Home / 2,898.12-4,345.16-923.09

Finding the Fourth Proportional to 2,898.12, 4,345.16 and 923.09

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Solution

The fourth proportional to 2,898.12, 4,345.16 and 923.09 is: 1,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.12 : 4,345.16 = 923.09 : x
  2. Step 2: Convert to fraction form
    2,898.12/4,345.16 = 923.09/x
  3. Step 3: Cross multiply
    2,898.12x = 4,345.16 × 923.09
  4. Step 4: Simplify right side
    2,898.12x = 4,010,947.40
  5. Step 5: Solve for x
    x = 4,010,947.40/2,898.12
  6. Step 6: Final answer
    x = 1,383.98

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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.