Home / 3,604.19-4,973.78-1,948.19

Finding the Fourth Proportional to 3,604.19, 4,973.78 and 1,948.19

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Solution

The fourth proportional to 3,604.19, 4,973.78 and 1,948.19 is: 2,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.19 : 4,973.78 = 1,948.19 : x
  2. Step 2: Convert to fraction form
    3,604.19/4,973.78 = 1,948.19/x
  3. Step 3: Cross multiply
    3,604.19x = 4,973.78 × 1,948.19
  4. Step 4: Simplify right side
    3,604.19x = 9,689,868.46
  5. Step 5: Solve for x
    x = 9,689,868.46/3,604.19
  6. Step 6: Final answer
    x = 2,688.50

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Half scale
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Double scale
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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.