Home / 2,435.60-3,360.66-1,387.52

Finding the Fourth Proportional to 2,435.60, 3,360.66 and 1,387.52

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Solution

The fourth proportional to 2,435.60, 3,360.66 and 1,387.52 is: 1,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.60 : 3,360.66 = 1,387.52 : x
  2. Step 2: Convert to fraction form
    2,435.60/3,360.66 = 1,387.52/x
  3. Step 3: Cross multiply
    2,435.60x = 3,360.66 × 1,387.52
  4. Step 4: Simplify right side
    2,435.60x = 4,662,982.96
  5. Step 5: Solve for x
    x = 4,662,982.96/2,435.60
  6. Step 6: Final answer
    x = 1,914.51

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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.