Home / 2,923.50-4,034.55-1,681.50

Finding the Fourth Proportional to 2,923.50, 4,034.55 and 1,681.50

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Solution

The fourth proportional to 2,923.50, 4,034.55 and 1,681.50 is: 2,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.50 : 4,034.55 = 1,681.50 : x
  2. Step 2: Convert to fraction form
    2,923.50/4,034.55 = 1,681.50/x
  3. Step 3: Cross multiply
    2,923.50x = 4,034.55 × 1,681.50
  4. Step 4: Simplify right side
    2,923.50x = 6,784,095.83
  5. Step 5: Solve for x
    x = 6,784,095.83/2,923.50
  6. Step 6: Final answer
    x = 2,320.54

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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.