Home / 2,083.45-2,875.47-1,199.08

Finding the Fourth Proportional to 2,083.45, 2,875.47 and 1,199.08

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Solution

The fourth proportional to 2,083.45, 2,875.47 and 1,199.08 is: 1,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.45 : 2,875.47 = 1,199.08 : x
  2. Step 2: Convert to fraction form
    2,083.45/2,875.47 = 1,199.08/x
  3. Step 3: Cross multiply
    2,083.45x = 2,875.47 × 1,199.08
  4. Step 4: Simplify right side
    2,083.45x = 3,447,898.19
  5. Step 5: Solve for x
    x = 3,447,898.19/2,083.45
  6. Step 6: Final answer
    x = 1,654.90

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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.