Home / 1,650.10-2,277.13-904.11

Finding the Fourth Proportional to 1,650.10, 2,277.13 and 904.11

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Solution

The fourth proportional to 1,650.10, 2,277.13 and 904.11 is: 1,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.10 : 2,277.13 = 904.11 : x
  2. Step 2: Convert to fraction form
    1,650.10/2,277.13 = 904.11/x
  3. Step 3: Cross multiply
    1,650.10x = 2,277.13 × 904.11
  4. Step 4: Simplify right side
    1,650.10x = 2,058,776.00
  5. Step 5: Solve for x
    x = 2,058,776.00/1,650.10
  6. Step 6: Final answer
    x = 1,247.67

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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.