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Finding the Fourth Proportional to 1,899.04, 2,849.40 and 926.08

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Solution

The fourth proportional to 1,899.04, 2,849.40 and 926.08 is: 1,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.04 : 2,849.40 = 926.08 : x
  2. Step 2: Convert to fraction form
    1,899.04/2,849.40 = 926.08/x
  3. Step 3: Cross multiply
    1,899.04x = 2,849.40 × 926.08
  4. Step 4: Simplify right side
    1,899.04x = 2,638,772.35
  5. Step 5: Solve for x
    x = 2,638,772.35/1,899.04
  6. Step 6: Final answer
    x = 1,389.53

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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.