Home / 2,643.51-3,646.39-1,700.53

Finding the Fourth Proportional to 2,643.51, 3,646.39 and 1,700.53

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Solution

The fourth proportional to 2,643.51, 3,646.39 and 1,700.53 is: 2,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.51 : 3,646.39 = 1,700.53 : x
  2. Step 2: Convert to fraction form
    2,643.51/3,646.39 = 1,700.53/x
  3. Step 3: Cross multiply
    2,643.51x = 3,646.39 × 1,700.53
  4. Step 4: Simplify right side
    2,643.51x = 6,200,777.66
  5. Step 5: Solve for x
    x = 6,200,777.66/2,643.51
  6. Step 6: Final answer
    x = 2,345.66

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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.