Home / 3,364.59-4,643.69-2,804.21

Finding the Fourth Proportional to 3,364.59, 4,643.69 and 2,804.21

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Solution

The fourth proportional to 3,364.59, 4,643.69 and 2,804.21 is: 3,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.59 : 4,643.69 = 2,804.21 : x
  2. Step 2: Convert to fraction form
    3,364.59/4,643.69 = 2,804.21/x
  3. Step 3: Cross multiply
    3,364.59x = 4,643.69 × 2,804.21
  4. Step 4: Simplify right side
    3,364.59x = 13,021,881.93
  5. Step 5: Solve for x
    x = 13,021,881.93/3,364.59
  6. Step 6: Final answer
    x = 3,870.27

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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.