Home / 1,779.53-2,670.65-1,433.71

Finding the Fourth Proportional to 1,779.53, 2,670.65 and 1,433.71

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Solution

The fourth proportional to 1,779.53, 2,670.65 and 1,433.71 is: 2,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.53 : 2,670.65 = 1,433.71 : x
  2. Step 2: Convert to fraction form
    1,779.53/2,670.65 = 1,433.71/x
  3. Step 3: Cross multiply
    1,779.53x = 2,670.65 × 1,433.71
  4. Step 4: Simplify right side
    1,779.53x = 3,828,917.09
  5. Step 5: Solve for x
    x = 3,828,917.09/1,779.53
  6. Step 6: Final answer
    x = 2,151.65

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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.