Home / 3,403.30-4,696.40-1,911.19

Finding the Fourth Proportional to 3,403.30, 4,696.40 and 1,911.19

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Solution

The fourth proportional to 3,403.30, 4,696.40 and 1,911.19 is: 2,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.30 : 4,696.40 = 1,911.19 : x
  2. Step 2: Convert to fraction form
    3,403.30/4,696.40 = 1,911.19/x
  3. Step 3: Cross multiply
    3,403.30x = 4,696.40 × 1,911.19
  4. Step 4: Simplify right side
    3,403.30x = 8,975,689.23
  5. Step 5: Solve for x
    x = 8,975,689.23/3,403.30
  6. Step 6: Final answer
    x = 2,637.35

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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.