Home / 2,289.95-3,160.25-1,450.35

Finding the Fourth Proportional to 2,289.95, 3,160.25 and 1,450.35

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Solution

The fourth proportional to 2,289.95, 3,160.25 and 1,450.35 is: 2,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.95 : 3,160.25 = 1,450.35 : x
  2. Step 2: Convert to fraction form
    2,289.95/3,160.25 = 1,450.35/x
  3. Step 3: Cross multiply
    2,289.95x = 3,160.25 × 1,450.35
  4. Step 4: Simplify right side
    2,289.95x = 4,583,461.34
  5. Step 5: Solve for x
    x = 4,583,461.34/2,289.95
  6. Step 6: Final answer
    x = 2,001.56

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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.