Home / 2,359.63-3,256.77-1,615.65

Finding the Fourth Proportional to 2,359.63, 3,256.77 and 1,615.65

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Solution

The fourth proportional to 2,359.63, 3,256.77 and 1,615.65 is: 2,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.63 : 3,256.77 = 1,615.65 : x
  2. Step 2: Convert to fraction form
    2,359.63/3,256.77 = 1,615.65/x
  3. Step 3: Cross multiply
    2,359.63x = 3,256.77 × 1,615.65
  4. Step 4: Simplify right side
    2,359.63x = 5,261,800.45
  5. Step 5: Solve for x
    x = 5,261,800.45/2,359.63
  6. Step 6: Final answer
    x = 2,229.93

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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.