Home / 1,779.74-2,669.61-1,167.32

Finding the Fourth Proportional to 1,779.74, 2,669.61 and 1,167.32

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Solution

The fourth proportional to 1,779.74, 2,669.61 and 1,167.32 is: 1,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.74 : 2,669.61 = 1,167.32 : x
  2. Step 2: Convert to fraction form
    1,779.74/2,669.61 = 1,167.32/x
  3. Step 3: Cross multiply
    1,779.74x = 2,669.61 × 1,167.32
  4. Step 4: Simplify right side
    1,779.74x = 3,116,275.80
  5. Step 5: Solve for x
    x = 3,116,275.80/1,779.74
  6. Step 6: Final answer
    x = 1,750.98

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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.