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Finding the Fourth Proportional to 1,750.80, 2,416.08 and 954.12

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Solution

The fourth proportional to 1,750.80, 2,416.08 and 954.12 is: 1,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.80 : 2,416.08 = 954.12 : x
  2. Step 2: Convert to fraction form
    1,750.80/2,416.08 = 954.12/x
  3. Step 3: Cross multiply
    1,750.80x = 2,416.08 × 954.12
  4. Step 4: Simplify right side
    1,750.80x = 2,305,230.25
  5. Step 5: Solve for x
    x = 2,305,230.25/1,750.80
  6. Step 6: Final answer
    x = 1,316.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.