Home / 3,124.65-4,312.46-1,798.32

Finding the Fourth Proportional to 3,124.65, 4,312.46 and 1,798.32

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Solution

The fourth proportional to 3,124.65, 4,312.46 and 1,798.32 is: 2,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.65 : 4,312.46 = 1,798.32 : x
  2. Step 2: Convert to fraction form
    3,124.65/4,312.46 = 1,798.32/x
  3. Step 3: Cross multiply
    3,124.65x = 4,312.46 × 1,798.32
  4. Step 4: Simplify right side
    3,124.65x = 7,755,183.07
  5. Step 5: Solve for x
    x = 7,755,183.07/3,124.65
  6. Step 6: Final answer
    x = 2,481.94

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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.