Home / 3,089.90-4,263.01-1,762.65

Finding the Fourth Proportional to 3,089.90, 4,263.01 and 1,762.65

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Solution

The fourth proportional to 3,089.90, 4,263.01 and 1,762.65 is: 2,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.90 : 4,263.01 = 1,762.65 : x
  2. Step 2: Convert to fraction form
    3,089.90/4,263.01 = 1,762.65/x
  3. Step 3: Cross multiply
    3,089.90x = 4,263.01 × 1,762.65
  4. Step 4: Simplify right side
    3,089.90x = 7,514,194.58
  5. Step 5: Solve for x
    x = 7,514,194.58/3,089.90
  6. Step 6: Final answer
    x = 2,431.86

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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.