Home / 3,530.39-4,864.46-2,898.79

Finding the Fourth Proportional to 3,530.39, 4,864.46 and 2,898.79

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Solution

The fourth proportional to 3,530.39, 4,864.46 and 2,898.79 is: 3,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.39 : 4,864.46 = 2,898.79 : x
  2. Step 2: Convert to fraction form
    3,530.39/4,864.46 = 2,898.79/x
  3. Step 3: Cross multiply
    3,530.39x = 4,864.46 × 2,898.79
  4. Step 4: Simplify right side
    3,530.39x = 14,101,021.35
  5. Step 5: Solve for x
    x = 14,101,021.35/3,530.39
  6. Step 6: Final answer
    x = 3,994.19

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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.