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Finding the Fourth Proportional to 1,750.90, 2,620.95 and 1,018.30

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Solution

The fourth proportional to 1,750.90, 2,620.95 and 1,018.30 is: 1,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.90 : 2,620.95 = 1,018.30 : x
  2. Step 2: Convert to fraction form
    1,750.90/2,620.95 = 1,018.30/x
  3. Step 3: Cross multiply
    1,750.90x = 2,620.95 × 1,018.30
  4. Step 4: Simplify right side
    1,750.90x = 2,668,913.39
  5. Step 5: Solve for x
    x = 2,668,913.39/1,750.90
  6. Step 6: Final answer
    x = 1,524.31

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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.