Home / 1,660.35-2,289.96-1,070.94

Finding the Fourth Proportional to 1,660.35, 2,289.96 and 1,070.94

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Solution

The fourth proportional to 1,660.35, 2,289.96 and 1,070.94 is: 1,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.35 : 2,289.96 = 1,070.94 : x
  2. Step 2: Convert to fraction form
    1,660.35/2,289.96 = 1,070.94/x
  3. Step 3: Cross multiply
    1,660.35x = 2,289.96 × 1,070.94
  4. Step 4: Simplify right side
    1,660.35x = 2,452,409.76
  5. Step 5: Solve for x
    x = 2,452,409.76/1,660.35
  6. Step 6: Final answer
    x = 1,477.04

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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.