Home / 1,675.65-2,315.18-1,324.26

Finding the Fourth Proportional to 1,675.65, 2,315.18 and 1,324.26

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Solution

The fourth proportional to 1,675.65, 2,315.18 and 1,324.26 is: 1,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.65 : 2,315.18 = 1,324.26 : x
  2. Step 2: Convert to fraction form
    1,675.65/2,315.18 = 1,324.26/x
  3. Step 3: Cross multiply
    1,675.65x = 2,315.18 × 1,324.26
  4. Step 4: Simplify right side
    1,675.65x = 3,065,907.29
  5. Step 5: Solve for x
    x = 3,065,907.29/1,675.65
  6. Step 6: Final answer
    x = 1,829.68

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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.