Home / 3,435.12-4,726.08-2,647.80

Finding the Fourth Proportional to 3,435.12, 4,726.08 and 2,647.80

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Solution

The fourth proportional to 3,435.12, 4,726.08 and 2,647.80 is: 3,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.12 : 4,726.08 = 2,647.80 : x
  2. Step 2: Convert to fraction form
    3,435.12/4,726.08 = 2,647.80/x
  3. Step 3: Cross multiply
    3,435.12x = 4,726.08 × 2,647.80
  4. Step 4: Simplify right side
    3,435.12x = 12,513,714.62
  5. Step 5: Solve for x
    x = 12,513,714.62/3,435.12
  6. Step 6: Final answer
    x = 3,642.88

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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.