Home / 2,971.58-4,458.45-1,412.06

Finding the Fourth Proportional to 2,971.58, 4,458.45 and 1,412.06

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Solution

The fourth proportional to 2,971.58, 4,458.45 and 1,412.06 is: 2,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.58 : 4,458.45 = 1,412.06 : x
  2. Step 2: Convert to fraction form
    2,971.58/4,458.45 = 1,412.06/x
  3. Step 3: Cross multiply
    2,971.58x = 4,458.45 × 1,412.06
  4. Step 4: Simplify right side
    2,971.58x = 6,295,598.91
  5. Step 5: Solve for x
    x = 6,295,598.91/2,971.58
  6. Step 6: Final answer
    x = 2,118.60

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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.