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Finding the Fourth Proportional to 1,827.96, 2,741.58 and 657.93

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Solution

The fourth proportional to 1,827.96, 2,741.58 and 657.93 is: 986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.96 : 2,741.58 = 657.93 : x
  2. Step 2: Convert to fraction form
    1,827.96/2,741.58 = 657.93/x
  3. Step 3: Cross multiply
    1,827.96x = 2,741.58 × 657.93
  4. Step 4: Simplify right side
    1,827.96x = 1,803,767.73
  5. Step 5: Solve for x
    x = 1,803,767.73/1,827.96
  6. Step 6: Final answer
    x = 986.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.