Home / 2,214.77-3,059.07-1,657.70

Finding the Fourth Proportional to 2,214.77, 3,059.07 and 1,657.70

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Solution

The fourth proportional to 2,214.77, 3,059.07 and 1,657.70 is: 2,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.77 : 3,059.07 = 1,657.70 : x
  2. Step 2: Convert to fraction form
    2,214.77/3,059.07 = 1,657.70/x
  3. Step 3: Cross multiply
    2,214.77x = 3,059.07 × 1,657.70
  4. Step 4: Simplify right side
    2,214.77x = 5,071,020.34
  5. Step 5: Solve for x
    x = 5,071,020.34/2,214.77
  6. Step 6: Final answer
    x = 2,289.64

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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.