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Finding the Fourth Proportional to 1,949.04, 2,923.20 and 650.16

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Solution

The fourth proportional to 1,949.04, 2,923.20 and 650.16 is: 975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.04 : 2,923.20 = 650.16 : x
  2. Step 2: Convert to fraction form
    1,949.04/2,923.20 = 650.16/x
  3. Step 3: Cross multiply
    1,949.04x = 2,923.20 × 650.16
  4. Step 4: Simplify right side
    1,949.04x = 1,900,547.71
  5. Step 5: Solve for x
    x = 1,900,547.71/1,949.04
  6. Step 6: Final answer
    x = 975.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.