Home / 1,774.85-2,662.61-1,430.39

Finding the Fourth Proportional to 1,774.85, 2,662.61 and 1,430.39

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Solution

The fourth proportional to 1,774.85, 2,662.61 and 1,430.39 is: 2,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.85 : 2,662.61 = 1,430.39 : x
  2. Step 2: Convert to fraction form
    1,774.85/2,662.61 = 1,430.39/x
  3. Step 3: Cross multiply
    1,774.85x = 2,662.61 × 1,430.39
  4. Step 4: Simplify right side
    1,774.85x = 3,808,570.22
  5. Step 5: Solve for x
    x = 3,808,570.22/1,774.85
  6. Step 6: Final answer
    x = 2,145.86

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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.