Home / 2,347.90-3,520.35-1,177.59

Finding the Fourth Proportional to 2,347.90, 3,520.35 and 1,177.59

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Solution

The fourth proportional to 2,347.90, 3,520.35 and 1,177.59 is: 1,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.90 : 3,520.35 = 1,177.59 : x
  2. Step 2: Convert to fraction form
    2,347.90/3,520.35 = 1,177.59/x
  3. Step 3: Cross multiply
    2,347.90x = 3,520.35 × 1,177.59
  4. Step 4: Simplify right side
    2,347.90x = 4,145,528.96
  5. Step 5: Solve for x
    x = 4,145,528.96/2,347.90
  6. Step 6: Final answer
    x = 1,765.63

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1.5x scale

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.