Home / 2,143.39-2,958.02-1,199.26

Finding the Fourth Proportional to 2,143.39, 2,958.02 and 1,199.26

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Solution

The fourth proportional to 2,143.39, 2,958.02 and 1,199.26 is: 1,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.39 : 2,958.02 = 1,199.26 : x
  2. Step 2: Convert to fraction form
    2,143.39/2,958.02 = 1,199.26/x
  3. Step 3: Cross multiply
    2,143.39x = 2,958.02 × 1,199.26
  4. Step 4: Simplify right side
    2,143.39x = 3,547,429.07
  5. Step 5: Solve for x
    x = 3,547,429.07/2,143.39
  6. Step 6: Final answer
    x = 1,655.06

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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.