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Finding the Fourth Proportional to 3,506, 4,838.28 and 1,934.24

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Solution

The fourth proportional to 3,506, 4,838.28 and 1,934.24 is: 2,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506 : 4,838.28 = 1,934.24 : x
  2. Step 2: Convert to fraction form
    3,506/4,838.28 = 1,934.24/x
  3. Step 3: Cross multiply
    3,506x = 4,838.28 × 1,934.24
  4. Step 4: Simplify right side
    3,506x = 9,358,394.71
  5. Step 5: Solve for x
    x = 9,358,394.71/3,506
  6. Step 6: Final answer
    x = 2,669.25

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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.