Home / 2,923.08-4,033.20-1,681.08

Finding the Fourth Proportional to 2,923.08, 4,033.20 and 1,681.08

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Solution

The fourth proportional to 2,923.08, 4,033.20 and 1,681.08 is: 2,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.08 : 4,033.20 = 1,681.08 : x
  2. Step 2: Convert to fraction form
    2,923.08/4,033.20 = 1,681.08/x
  3. Step 3: Cross multiply
    2,923.08x = 4,033.20 × 1,681.08
  4. Step 4: Simplify right side
    2,923.08x = 6,780,131.86
  5. Step 5: Solve for x
    x = 6,780,131.86/2,923.08
  6. Step 6: Final answer
    x = 2,319.52

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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.