Home / 3,548.79-4,898.47-2,289.89

Finding the Fourth Proportional to 3,548.79, 4,898.47 and 2,289.89

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Solution

The fourth proportional to 3,548.79, 4,898.47 and 2,289.89 is: 3,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.79 : 4,898.47 = 2,289.89 : x
  2. Step 2: Convert to fraction form
    3,548.79/4,898.47 = 2,289.89/x
  3. Step 3: Cross multiply
    3,548.79x = 4,898.47 × 2,289.89
  4. Step 4: Simplify right side
    3,548.79x = 11,216,957.47
  5. Step 5: Solve for x
    x = 11,216,957.47/3,548.79
  6. Step 6: Final answer
    x = 3,160.78

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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.