Home / 3,386.39-4,673.28-1,894.15

Finding the Fourth Proportional to 3,386.39, 4,673.28 and 1,894.15

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Solution

The fourth proportional to 3,386.39, 4,673.28 and 1,894.15 is: 2,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.39 : 4,673.28 = 1,894.15 : x
  2. Step 2: Convert to fraction form
    3,386.39/4,673.28 = 1,894.15/x
  3. Step 3: Cross multiply
    3,386.39x = 4,673.28 × 1,894.15
  4. Step 4: Simplify right side
    3,386.39x = 8,851,881.63
  5. Step 5: Solve for x
    x = 8,851,881.63/3,386.39
  6. Step 6: Final answer
    x = 2,613.96

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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.