Home / 2,887.61-4,329.80-1,717.97

Finding the Fourth Proportional to 2,887.61, 4,329.80 and 1,717.97

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Solution

The fourth proportional to 2,887.61, 4,329.80 and 1,717.97 is: 2,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.61 : 4,329.80 = 1,717.97 : x
  2. Step 2: Convert to fraction form
    2,887.61/4,329.80 = 1,717.97/x
  3. Step 3: Cross multiply
    2,887.61x = 4,329.80 × 1,717.97
  4. Step 4: Simplify right side
    2,887.61x = 7,438,457.92
  5. Step 5: Solve for x
    x = 7,438,457.92/2,887.61
  6. Step 6: Final answer
    x = 2,575.99

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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.