Home / 2,285.41-3,153.88-1,237.47

Finding the Fourth Proportional to 2,285.41, 3,153.88 and 1,237.47

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Solution

The fourth proportional to 2,285.41, 3,153.88 and 1,237.47 is: 1,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.41 : 3,153.88 = 1,237.47 : x
  2. Step 2: Convert to fraction form
    2,285.41/3,153.88 = 1,237.47/x
  3. Step 3: Cross multiply
    2,285.41x = 3,153.88 × 1,237.47
  4. Step 4: Simplify right side
    2,285.41x = 3,902,828.79
  5. Step 5: Solve for x
    x = 3,902,828.79/2,285.41
  6. Step 6: Final answer
    x = 1,707.72

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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.