Home / 3,486.41-4,810.98-2,159.63

Finding the Fourth Proportional to 3,486.41, 4,810.98 and 2,159.63

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Solution

The fourth proportional to 3,486.41, 4,810.98 and 2,159.63 is: 2,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.41 : 4,810.98 = 2,159.63 : x
  2. Step 2: Convert to fraction form
    3,486.41/4,810.98 = 2,159.63/x
  3. Step 3: Cross multiply
    3,486.41x = 4,810.98 × 2,159.63
  4. Step 4: Simplify right side
    3,486.41x = 10,389,936.74
  5. Step 5: Solve for x
    x = 10,389,936.74/3,486.41
  6. Step 6: Final answer
    x = 2,980.12

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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.