Home / 3,190.51-4,405.08-2,602.45

Finding the Fourth Proportional to 3,190.51, 4,405.08 and 2,602.45

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Solution

The fourth proportional to 3,190.51, 4,405.08 and 2,602.45 is: 3,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.51 : 4,405.08 = 2,602.45 : x
  2. Step 2: Convert to fraction form
    3,190.51/4,405.08 = 2,602.45/x
  3. Step 3: Cross multiply
    3,190.51x = 4,405.08 × 2,602.45
  4. Step 4: Simplify right side
    3,190.51x = 11,464,000.45
  5. Step 5: Solve for x
    x = 11,464,000.45/3,190.51
  6. Step 6: Final answer
    x = 3,593.16

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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.