Home / 3,335.40-4,602.80-1,843.28

Finding the Fourth Proportional to 3,335.40, 4,602.80 and 1,843.28

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Solution

The fourth proportional to 3,335.40, 4,602.80 and 1,843.28 is: 2,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.40 : 4,602.80 = 1,843.28 : x
  2. Step 2: Convert to fraction form
    3,335.40/4,602.80 = 1,843.28/x
  3. Step 3: Cross multiply
    3,335.40x = 4,602.80 × 1,843.28
  4. Step 4: Simplify right side
    3,335.40x = 8,484,249.18
  5. Step 5: Solve for x
    x = 8,484,249.18/3,335.40
  6. Step 6: Final answer
    x = 2,543.70

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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.