Home / 2,483.79-3,429.14-1,645.22

Finding the Fourth Proportional to 2,483.79, 3,429.14 and 1,645.22

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Solution

The fourth proportional to 2,483.79, 3,429.14 and 1,645.22 is: 2,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.79 : 3,429.14 = 1,645.22 : x
  2. Step 2: Convert to fraction form
    2,483.79/3,429.14 = 1,645.22/x
  3. Step 3: Cross multiply
    2,483.79x = 3,429.14 × 1,645.22
  4. Step 4: Simplify right side
    2,483.79x = 5,641,670.51
  5. Step 5: Solve for x
    x = 5,641,670.51/2,483.79
  6. Step 6: Final answer
    x = 2,271.39

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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.