Home / 3,589.70-4,953.69-2,017.89

Finding the Fourth Proportional to 3,589.70, 4,953.69 and 2,017.89

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Solution

The fourth proportional to 3,589.70, 4,953.69 and 2,017.89 is: 2,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.70 : 4,953.69 = 2,017.89 : x
  2. Step 2: Convert to fraction form
    3,589.70/4,953.69 = 2,017.89/x
  3. Step 3: Cross multiply
    3,589.70x = 4,953.69 × 2,017.89
  4. Step 4: Simplify right side
    3,589.70x = 9,996,001.51
  5. Step 5: Solve for x
    x = 9,996,001.51/3,589.70
  6. Step 6: Final answer
    x = 2,784.64

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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.