Home / 1,669.23-2,302.38-1,354.50

Finding the Fourth Proportional to 1,669.23, 2,302.38 and 1,354.50

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Solution

The fourth proportional to 1,669.23, 2,302.38 and 1,354.50 is: 1,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.23 : 2,302.38 = 1,354.50 : x
  2. Step 2: Convert to fraction form
    1,669.23/2,302.38 = 1,354.50/x
  3. Step 3: Cross multiply
    1,669.23x = 2,302.38 × 1,354.50
  4. Step 4: Simplify right side
    1,669.23x = 3,118,573.71
  5. Step 5: Solve for x
    x = 3,118,573.71/1,669.23
  6. Step 6: Final answer
    x = 1,868.27

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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.