Home / 2,897.46-4,329.21-2,143.77

Finding the Fourth Proportional to 2,897.46, 4,329.21 and 2,143.77

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Solution

The fourth proportional to 2,897.46, 4,329.21 and 2,143.77 is: 3,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.46 : 4,329.21 = 2,143.77 : x
  2. Step 2: Convert to fraction form
    2,897.46/4,329.21 = 2,143.77/x
  3. Step 3: Cross multiply
    2,897.46x = 4,329.21 × 2,143.77
  4. Step 4: Simplify right side
    2,897.46x = 9,280,830.52
  5. Step 5: Solve for x
    x = 9,280,830.52/2,897.46
  6. Step 6: Final answer
    x = 3,203.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.