Home / 2,984.29-4,118.36-1,657.99

Finding the Fourth Proportional to 2,984.29, 4,118.36 and 1,657.99

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Solution

The fourth proportional to 2,984.29, 4,118.36 and 1,657.99 is: 2,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.29 : 4,118.36 = 1,657.99 : x
  2. Step 2: Convert to fraction form
    2,984.29/4,118.36 = 1,657.99/x
  3. Step 3: Cross multiply
    2,984.29x = 4,118.36 × 1,657.99
  4. Step 4: Simplify right side
    2,984.29x = 6,828,196.55
  5. Step 5: Solve for x
    x = 6,828,196.55/2,984.29
  6. Step 6: Final answer
    x = 2,288.05

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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.