Home / 3,050.51-4,209.71-1,871.55

Finding the Fourth Proportional to 3,050.51, 4,209.71 and 1,871.55

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Solution

The fourth proportional to 3,050.51, 4,209.71 and 1,871.55 is: 2,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.51 : 4,209.71 = 1,871.55 : x
  2. Step 2: Convert to fraction form
    3,050.51/4,209.71 = 1,871.55/x
  3. Step 3: Cross multiply
    3,050.51x = 4,209.71 × 1,871.55
  4. Step 4: Simplify right side
    3,050.51x = 7,878,673.39
  5. Step 5: Solve for x
    x = 7,878,673.39/3,050.51
  6. Step 6: Final answer
    x = 2,582.74

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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.