Home / 1,784.10-2,461.66-1,120.71

Finding the Fourth Proportional to 1,784.10, 2,461.66 and 1,120.71

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Solution

The fourth proportional to 1,784.10, 2,461.66 and 1,120.71 is: 1,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.10 : 2,461.66 = 1,120.71 : x
  2. Step 2: Convert to fraction form
    1,784.10/2,461.66 = 1,120.71/x
  3. Step 3: Cross multiply
    1,784.10x = 2,461.66 × 1,120.71
  4. Step 4: Simplify right side
    1,784.10x = 2,758,808.38
  5. Step 5: Solve for x
    x = 2,758,808.38/1,784.10
  6. Step 6: Final answer
    x = 1,546.33

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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.