Home / 2,611.63-3,605.93-1,681.75

Finding the Fourth Proportional to 2,611.63, 3,605.93 and 1,681.75

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Solution

The fourth proportional to 2,611.63, 3,605.93 and 1,681.75 is: 2,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.63 : 3,605.93 = 1,681.75 : x
  2. Step 2: Convert to fraction form
    2,611.63/3,605.93 = 1,681.75/x
  3. Step 3: Cross multiply
    2,611.63x = 3,605.93 × 1,681.75
  4. Step 4: Simplify right side
    2,611.63x = 6,064,272.78
  5. Step 5: Solve for x
    x = 6,064,272.78/2,611.63
  6. Step 6: Final answer
    x = 2,322.03

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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.