Home / 2,125.26-2,930.76-1,622.40

Finding the Fourth Proportional to 2,125.26, 2,930.76 and 1,622.40

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Solution

The fourth proportional to 2,125.26, 2,930.76 and 1,622.40 is: 2,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.26 : 2,930.76 = 1,622.40 : x
  2. Step 2: Convert to fraction form
    2,125.26/2,930.76 = 1,622.40/x
  3. Step 3: Cross multiply
    2,125.26x = 2,930.76 × 1,622.40
  4. Step 4: Simplify right side
    2,125.26x = 4,754,865.02
  5. Step 5: Solve for x
    x = 4,754,865.02/2,125.26
  6. Step 6: Final answer
    x = 2,237.31

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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.