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Finding the Fourth Proportional to 1,893.40, 2,840.10 and 1,014.70

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Solution

The fourth proportional to 1,893.40, 2,840.10 and 1,014.70 is: 1,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.40 : 2,840.10 = 1,014.70 : x
  2. Step 2: Convert to fraction form
    1,893.40/2,840.10 = 1,014.70/x
  3. Step 3: Cross multiply
    1,893.40x = 2,840.10 × 1,014.70
  4. Step 4: Simplify right side
    1,893.40x = 2,881,849.47
  5. Step 5: Solve for x
    x = 2,881,849.47/1,893.40
  6. Step 6: Final answer
    x = 1,522.05

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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.