Home / 2,355.20-3,250.16-1,360.48

Finding the Fourth Proportional to 2,355.20, 3,250.16 and 1,360.48

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Solution

The fourth proportional to 2,355.20, 3,250.16 and 1,360.48 is: 1,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.20 : 3,250.16 = 1,360.48 : x
  2. Step 2: Convert to fraction form
    2,355.20/3,250.16 = 1,360.48/x
  3. Step 3: Cross multiply
    2,355.20x = 3,250.16 × 1,360.48
  4. Step 4: Simplify right side
    2,355.20x = 4,421,777.68
  5. Step 5: Solve for x
    x = 4,421,777.68/2,355.20
  6. Step 6: Final answer
    x = 1,877.45

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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.