Home / 3,779.81-5,670.63-1,314.28

Finding the Fourth Proportional to 3,779.81, 5,670.63 and 1,314.28

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Solution

The fourth proportional to 3,779.81, 5,670.63 and 1,314.28 is: 1,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.81 : 5,670.63 = 1,314.28 : x
  2. Step 2: Convert to fraction form
    3,779.81/5,670.63 = 1,314.28/x
  3. Step 3: Cross multiply
    3,779.81x = 5,670.63 × 1,314.28
  4. Step 4: Simplify right side
    3,779.81x = 7,452,795.60
  5. Step 5: Solve for x
    x = 7,452,795.60/3,779.81
  6. Step 6: Final answer
    x = 1,971.74

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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.