Home / 1,823.42-2,515.73-1,077.63

Finding the Fourth Proportional to 1,823.42, 2,515.73 and 1,077.63

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Solution

The fourth proportional to 1,823.42, 2,515.73 and 1,077.63 is: 1,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.42 : 2,515.73 = 1,077.63 : x
  2. Step 2: Convert to fraction form
    1,823.42/2,515.73 = 1,077.63/x
  3. Step 3: Cross multiply
    1,823.42x = 2,515.73 × 1,077.63
  4. Step 4: Simplify right side
    1,823.42x = 2,711,020.73
  5. Step 5: Solve for x
    x = 2,711,020.73/1,823.42
  6. Step 6: Final answer
    x = 1,486.78

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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.