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Finding the Fourth Proportional to 2,883.61, 4,326.78 and 1,715.92

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Solution

The fourth proportional to 2,883.61, 4,326.78 and 1,715.92 is: 2,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.61 : 4,326.78 = 1,715.92 : x
  2. Step 2: Convert to fraction form
    2,883.61/4,326.78 = 1,715.92/x
  3. Step 3: Cross multiply
    2,883.61x = 4,326.78 × 1,715.92
  4. Step 4: Simplify right side
    2,883.61x = 7,424,403.96
  5. Step 5: Solve for x
    x = 7,424,403.96/2,883.61
  6. Step 6: Final answer
    x = 2,574.69

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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.