Home / 2,435.53-3,360.63-1,387.39

Finding the Fourth Proportional to 2,435.53, 3,360.63 and 1,387.39

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Solution

The fourth proportional to 2,435.53, 3,360.63 and 1,387.39 is: 1,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.53 : 3,360.63 = 1,387.39 : x
  2. Step 2: Convert to fraction form
    2,435.53/3,360.63 = 1,387.39/x
  3. Step 3: Cross multiply
    2,435.53x = 3,360.63 × 1,387.39
  4. Step 4: Simplify right side
    2,435.53x = 4,662,504.46
  5. Step 5: Solve for x
    x = 4,662,504.46/2,435.53
  6. Step 6: Final answer
    x = 1,914.37

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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.