Home / 3,153.07-4,350.58-1,826.70

Finding the Fourth Proportional to 3,153.07, 4,350.58 and 1,826.70

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Solution

The fourth proportional to 3,153.07, 4,350.58 and 1,826.70 is: 2,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.07 : 4,350.58 = 1,826.70 : x
  2. Step 2: Convert to fraction form
    3,153.07/4,350.58 = 1,826.70/x
  3. Step 3: Cross multiply
    3,153.07x = 4,350.58 × 1,826.70
  4. Step 4: Simplify right side
    3,153.07x = 7,947,204.49
  5. Step 5: Solve for x
    x = 7,947,204.49/3,153.07
  6. Step 6: Final answer
    x = 2,520.47

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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.