Home / 2,355.35-3,250.53-1,360.67

Finding the Fourth Proportional to 2,355.35, 3,250.53 and 1,360.67

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Solution

The fourth proportional to 2,355.35, 3,250.53 and 1,360.67 is: 1,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.35 : 3,250.53 = 1,360.67 : x
  2. Step 2: Convert to fraction form
    2,355.35/3,250.53 = 1,360.67/x
  3. Step 3: Cross multiply
    2,355.35x = 3,250.53 × 1,360.67
  4. Step 4: Simplify right side
    2,355.35x = 4,422,898.66
  5. Step 5: Solve for x
    x = 4,422,898.66/2,355.35
  6. Step 6: Final answer
    x = 1,877.81

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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.