Home / 2,905.41-4,008.15-1,786.26

Finding the Fourth Proportional to 2,905.41, 4,008.15 and 1,786.26

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Solution

The fourth proportional to 2,905.41, 4,008.15 and 1,786.26 is: 2,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.41 : 4,008.15 = 1,786.26 : x
  2. Step 2: Convert to fraction form
    2,905.41/4,008.15 = 1,786.26/x
  3. Step 3: Cross multiply
    2,905.41x = 4,008.15 × 1,786.26
  4. Step 4: Simplify right side
    2,905.41x = 7,159,598.02
  5. Step 5: Solve for x
    x = 7,159,598.02/2,905.41
  6. Step 6: Final answer
    x = 2,464.23

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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.