Home / 1,166.06-1,609.40-669.03

Finding the Fourth Proportional to 1,166.06, 1,609.40 and 669.03

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Solution

The fourth proportional to 1,166.06, 1,609.40 and 669.03 is: 923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.06 : 1,609.40 = 669.03 : x
  2. Step 2: Convert to fraction form
    1,166.06/1,609.40 = 669.03/x
  3. Step 3: Cross multiply
    1,166.06x = 1,609.40 × 669.03
  4. Step 4: Simplify right side
    1,166.06x = 1,076,737.81
  5. Step 5: Solve for x
    x = 1,076,737.81/1,166.06
  6. Step 6: Final answer
    x = 923.40

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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.