Home / 2,928.12-4,391.64-1,537.08

Finding the Fourth Proportional to 2,928.12, 4,391.64 and 1,537.08

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Solution

The fourth proportional to 2,928.12, 4,391.64 and 1,537.08 is: 2,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.12 : 4,391.64 = 1,537.08 : x
  2. Step 2: Convert to fraction form
    2,928.12/4,391.64 = 1,537.08/x
  3. Step 3: Cross multiply
    2,928.12x = 4,391.64 × 1,537.08
  4. Step 4: Simplify right side
    2,928.12x = 6,750,302.01
  5. Step 5: Solve for x
    x = 6,750,302.01/2,928.12
  6. Step 6: Final answer
    x = 2,305.34

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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.