Home / 2,923.70-4,030.16-2,176.47

Finding the Fourth Proportional to 2,923.70, 4,030.16 and 2,176.47

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Solution

The fourth proportional to 2,923.70, 4,030.16 and 2,176.47 is: 3,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.70 : 4,030.16 = 2,176.47 : x
  2. Step 2: Convert to fraction form
    2,923.70/4,030.16 = 2,176.47/x
  3. Step 3: Cross multiply
    2,923.70x = 4,030.16 × 2,176.47
  4. Step 4: Simplify right side
    2,923.70x = 8,771,511.45
  5. Step 5: Solve for x
    x = 8,771,511.45/2,923.70
  6. Step 6: Final answer
    x = 3,000.15

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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.