Home / 3,376.98-5,065.86-1,186.32

Finding the Fourth Proportional to 3,376.98, 5,065.86 and 1,186.32

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Solution

The fourth proportional to 3,376.98, 5,065.86 and 1,186.32 is: 1,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.98 : 5,065.86 = 1,186.32 : x
  2. Step 2: Convert to fraction form
    3,376.98/5,065.86 = 1,186.32/x
  3. Step 3: Cross multiply
    3,376.98x = 5,065.86 × 1,186.32
  4. Step 4: Simplify right side
    3,376.98x = 6,009,731.04
  5. Step 5: Solve for x
    x = 6,009,731.04/3,376.98
  6. Step 6: Final answer
    x = 1,779.62

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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.