Home / 2,355.16-3,250.60-1,360.38

Finding the Fourth Proportional to 2,355.16, 3,250.60 and 1,360.38

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Solution

The fourth proportional to 2,355.16, 3,250.60 and 1,360.38 is: 1,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.16 : 3,250.60 = 1,360.38 : x
  2. Step 2: Convert to fraction form
    2,355.16/3,250.60 = 1,360.38/x
  3. Step 3: Cross multiply
    2,355.16x = 3,250.60 × 1,360.38
  4. Step 4: Simplify right side
    2,355.16x = 4,422,051.23
  5. Step 5: Solve for x
    x = 4,422,051.23/2,355.16
  6. Step 6: Final answer
    x = 1,877.60

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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.