Home / 1,244.10-1,856.79-1,146.42

Finding the Fourth Proportional to 1,244.10, 1,856.79 and 1,146.42

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Solution

The fourth proportional to 1,244.10, 1,856.79 and 1,146.42 is: 1,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.10 : 1,856.79 = 1,146.42 : x
  2. Step 2: Convert to fraction form
    1,244.10/1,856.79 = 1,146.42/x
  3. Step 3: Cross multiply
    1,244.10x = 1,856.79 × 1,146.42
  4. Step 4: Simplify right side
    1,244.10x = 2,128,661.19
  5. Step 5: Solve for x
    x = 2,128,661.19/1,244.10
  6. Step 6: Final answer
    x = 1,711.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.