Home / 2,285.89-3,154.50-1,237.93

Finding the Fourth Proportional to 2,285.89, 3,154.50 and 1,237.93

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Solution

The fourth proportional to 2,285.89, 3,154.50 and 1,237.93 is: 1,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.89 : 3,154.50 = 1,237.93 : x
  2. Step 2: Convert to fraction form
    2,285.89/3,154.50 = 1,237.93/x
  3. Step 3: Cross multiply
    2,285.89x = 3,154.50 × 1,237.93
  4. Step 4: Simplify right side
    2,285.89x = 3,905,050.19
  5. Step 5: Solve for x
    x = 3,905,050.19/2,285.89
  6. Step 6: Final answer
    x = 1,708.33

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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.