Home / 2,319.67-3,202.64-2,070.57

Finding the Fourth Proportional to 2,319.67, 3,202.64 and 2,070.57

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Solution

The fourth proportional to 2,319.67, 3,202.64 and 2,070.57 is: 2,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.67 : 3,202.64 = 2,070.57 : x
  2. Step 2: Convert to fraction form
    2,319.67/3,202.64 = 2,070.57/x
  3. Step 3: Cross multiply
    2,319.67x = 3,202.64 × 2,070.57
  4. Step 4: Simplify right side
    2,319.67x = 6,631,290.30
  5. Step 5: Solve for x
    x = 6,631,290.30/2,319.67
  6. Step 6: Final answer
    x = 2,858.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.