Home / 2,319.61-3,201.06-1,271.67

Finding the Fourth Proportional to 2,319.61, 3,201.06 and 1,271.67

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Solution

The fourth proportional to 2,319.61, 3,201.06 and 1,271.67 is: 1,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.61 : 3,201.06 = 1,271.67 : x
  2. Step 2: Convert to fraction form
    2,319.61/3,201.06 = 1,271.67/x
  3. Step 3: Cross multiply
    2,319.61x = 3,201.06 × 1,271.67
  4. Step 4: Simplify right side
    2,319.61x = 4,070,702.74
  5. Step 5: Solve for x
    x = 4,070,702.74/2,319.61
  6. Step 6: Final answer
    x = 1,754.91

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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.