Home / 2,435.36-3,349.88-2,135.12

Finding the Fourth Proportional to 2,435.36, 3,349.88 and 2,135.12

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Solution

The fourth proportional to 2,435.36, 3,349.88 and 2,135.12 is: 2,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.36 : 3,349.88 = 2,135.12 : x
  2. Step 2: Convert to fraction form
    2,435.36/3,349.88 = 2,135.12/x
  3. Step 3: Cross multiply
    2,435.36x = 3,349.88 × 2,135.12
  4. Step 4: Simplify right side
    2,435.36x = 7,152,395.79
  5. Step 5: Solve for x
    x = 7,152,395.79/2,435.36
  6. Step 6: Final answer
    x = 2,936.89

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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.