Home / 2,948.37-4,069.50-1,689.83

Finding the Fourth Proportional to 2,948.37, 4,069.50 and 1,689.83

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Solution

The fourth proportional to 2,948.37, 4,069.50 and 1,689.83 is: 2,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.37 : 4,069.50 = 1,689.83 : x
  2. Step 2: Convert to fraction form
    2,948.37/4,069.50 = 1,689.83/x
  3. Step 3: Cross multiply
    2,948.37x = 4,069.50 × 1,689.83
  4. Step 4: Simplify right side
    2,948.37x = 6,876,763.19
  5. Step 5: Solve for x
    x = 6,876,763.19/2,948.37
  6. Step 6: Final answer
    x = 2,332.39

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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.