Home / 1,668.45-2,297.08-1,373.21

Finding the Fourth Proportional to 1,668.45, 2,297.08 and 1,373.21

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Solution

The fourth proportional to 1,668.45, 2,297.08 and 1,373.21 is: 1,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.45 : 2,297.08 = 1,373.21 : x
  2. Step 2: Convert to fraction form
    1,668.45/2,297.08 = 1,373.21/x
  3. Step 3: Cross multiply
    1,668.45x = 2,297.08 × 1,373.21
  4. Step 4: Simplify right side
    1,668.45x = 3,154,373.23
  5. Step 5: Solve for x
    x = 3,154,373.23/1,668.45
  6. Step 6: Final answer
    x = 1,890.60

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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.