Home / 3,447.09-4,756.97-1,875.19

Finding the Fourth Proportional to 3,447.09, 4,756.97 and 1,875.19

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Solution

The fourth proportional to 3,447.09, 4,756.97 and 1,875.19 is: 2,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.09 : 4,756.97 = 1,875.19 : x
  2. Step 2: Convert to fraction form
    3,447.09/4,756.97 = 1,875.19/x
  3. Step 3: Cross multiply
    3,447.09x = 4,756.97 × 1,875.19
  4. Step 4: Simplify right side
    3,447.09x = 8,920,222.57
  5. Step 5: Solve for x
    x = 8,920,222.57/3,447.09
  6. Step 6: Final answer
    x = 2,587.75

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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.