Home / 3,421.51-4,721.69-1,849.60

Finding the Fourth Proportional to 3,421.51, 4,721.69 and 1,849.60

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Solution

The fourth proportional to 3,421.51, 4,721.69 and 1,849.60 is: 2,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.51 : 4,721.69 = 1,849.60 : x
  2. Step 2: Convert to fraction form
    3,421.51/4,721.69 = 1,849.60/x
  3. Step 3: Cross multiply
    3,421.51x = 4,721.69 × 1,849.60
  4. Step 4: Simplify right side
    3,421.51x = 8,733,248.35
  5. Step 5: Solve for x
    x = 8,733,248.35/3,421.51
  6. Step 6: Final answer
    x = 2,552.46

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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.