Home / 2,038.77-2,812.46-1,199.07

Finding the Fourth Proportional to 2,038.77, 2,812.46 and 1,199.07

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Solution

The fourth proportional to 2,038.77, 2,812.46 and 1,199.07 is: 1,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.77 : 2,812.46 = 1,199.07 : x
  2. Step 2: Convert to fraction form
    2,038.77/2,812.46 = 1,199.07/x
  3. Step 3: Cross multiply
    2,038.77x = 2,812.46 × 1,199.07
  4. Step 4: Simplify right side
    2,038.77x = 3,372,330.42
  5. Step 5: Solve for x
    x = 3,372,330.42/2,038.77
  6. Step 6: Final answer
    x = 1,654.10

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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.