Home / 2,829.51-3,903.65-2,085.24

Finding the Fourth Proportional to 2,829.51, 3,903.65 and 2,085.24

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Solution

The fourth proportional to 2,829.51, 3,903.65 and 2,085.24 is: 2,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.51 : 3,903.65 = 2,085.24 : x
  2. Step 2: Convert to fraction form
    2,829.51/3,903.65 = 2,085.24/x
  3. Step 3: Cross multiply
    2,829.51x = 3,903.65 × 2,085.24
  4. Step 4: Simplify right side
    2,829.51x = 8,140,047.13
  5. Step 5: Solve for x
    x = 8,140,047.13/2,829.51
  6. Step 6: Final answer
    x = 2,876.84

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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.