Home / 3,098.22-4,646.70-907.08

Finding the Fourth Proportional to 3,098.22, 4,646.70 and 907.08

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Solution

The fourth proportional to 3,098.22, 4,646.70 and 907.08 is: 1,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.22 : 4,646.70 = 907.08 : x
  2. Step 2: Convert to fraction form
    3,098.22/4,646.70 = 907.08/x
  3. Step 3: Cross multiply
    3,098.22x = 4,646.70 × 907.08
  4. Step 4: Simplify right side
    3,098.22x = 4,214,928.64
  5. Step 5: Solve for x
    x = 4,214,928.64/3,098.22
  6. Step 6: Final answer
    x = 1,360.44

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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.