Home / 2,124.63-2,926.13-1,829.79

Finding the Fourth Proportional to 2,124.63, 2,926.13 and 1,829.79

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Solution

The fourth proportional to 2,124.63, 2,926.13 and 1,829.79 is: 2,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.63 : 2,926.13 = 1,829.79 : x
  2. Step 2: Convert to fraction form
    2,124.63/2,926.13 = 1,829.79/x
  3. Step 3: Cross multiply
    2,124.63x = 2,926.13 × 1,829.79
  4. Step 4: Simplify right side
    2,124.63x = 5,354,194.26
  5. Step 5: Solve for x
    x = 5,354,194.26/2,124.63
  6. Step 6: Final answer
    x = 2,520.06

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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.