Home / 3,642.63-5,026.86-2,316.36

Finding the Fourth Proportional to 3,642.63, 5,026.86 and 2,316.36

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Solution

The fourth proportional to 3,642.63, 5,026.86 and 2,316.36 is: 3,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.63 : 5,026.86 = 2,316.36 : x
  2. Step 2: Convert to fraction form
    3,642.63/5,026.86 = 2,316.36/x
  3. Step 3: Cross multiply
    3,642.63x = 5,026.86 × 2,316.36
  4. Step 4: Simplify right side
    3,642.63x = 11,644,017.43
  5. Step 5: Solve for x
    x = 11,644,017.43/3,642.63
  6. Step 6: Final answer
    x = 3,196.60

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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.