Home / 3,602.37-5,400.35-1,412.63

Finding the Fourth Proportional to 3,602.37, 5,400.35 and 1,412.63

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Solution

The fourth proportional to 3,602.37, 5,400.35 and 1,412.63 is: 2,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.37 : 5,400.35 = 1,412.63 : x
  2. Step 2: Convert to fraction form
    3,602.37/5,400.35 = 1,412.63/x
  3. Step 3: Cross multiply
    3,602.37x = 5,400.35 × 1,412.63
  4. Step 4: Simplify right side
    3,602.37x = 7,628,696.42
  5. Step 5: Solve for x
    x = 7,628,696.42/3,602.37
  6. Step 6: Final answer
    x = 2,117.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.