Home / 3,220.74-4,444.71-1,804.35

Finding the Fourth Proportional to 3,220.74, 4,444.71 and 1,804.35

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Solution

The fourth proportional to 3,220.74, 4,444.71 and 1,804.35 is: 2,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.74 : 4,444.71 = 1,804.35 : x
  2. Step 2: Convert to fraction form
    3,220.74/4,444.71 = 1,804.35/x
  3. Step 3: Cross multiply
    3,220.74x = 4,444.71 × 1,804.35
  4. Step 4: Simplify right side
    3,220.74x = 8,019,812.49
  5. Step 5: Solve for x
    x = 8,019,812.49/3,220.74
  6. Step 6: Final answer
    x = 2,490.05

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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.