Home / 1,669.12-2,300.68-1,337.04

Finding the Fourth Proportional to 1,669.12, 2,300.68 and 1,337.04

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Solution

The fourth proportional to 1,669.12, 2,300.68 and 1,337.04 is: 1,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.12 : 2,300.68 = 1,337.04 : x
  2. Step 2: Convert to fraction form
    1,669.12/2,300.68 = 1,337.04/x
  3. Step 3: Cross multiply
    1,669.12x = 2,300.68 × 1,337.04
  4. Step 4: Simplify right side
    1,669.12x = 3,076,101.19
  5. Step 5: Solve for x
    x = 3,076,101.19/1,669.12
  6. Step 6: Final answer
    x = 1,842.95

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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.