Home / 3,506.40-4,838.88-1,934.46

Finding the Fourth Proportional to 3,506.40, 4,838.88 and 1,934.46

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Solution

The fourth proportional to 3,506.40, 4,838.88 and 1,934.46 is: 2,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.40 : 4,838.88 = 1,934.46 : x
  2. Step 2: Convert to fraction form
    3,506.40/4,838.88 = 1,934.46/x
  3. Step 3: Cross multiply
    3,506.40x = 4,838.88 × 1,934.46
  4. Step 4: Simplify right side
    3,506.40x = 9,360,619.80
  5. Step 5: Solve for x
    x = 9,360,619.80/3,506.40
  6. Step 6: Final answer
    x = 2,669.58

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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.