Home / 3,186.03-4,779.72-1,541.70

Finding the Fourth Proportional to 3,186.03, 4,779.72 and 1,541.70

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Solution

The fourth proportional to 3,186.03, 4,779.72 and 1,541.70 is: 2,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.03 : 4,779.72 = 1,541.70 : x
  2. Step 2: Convert to fraction form
    3,186.03/4,779.72 = 1,541.70/x
  3. Step 3: Cross multiply
    3,186.03x = 4,779.72 × 1,541.70
  4. Step 4: Simplify right side
    3,186.03x = 7,368,894.32
  5. Step 5: Solve for x
    x = 7,368,894.32/3,186.03
  6. Step 6: Final answer
    x = 2,312.88

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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.