Home / 2,358.74-3,538.58-1,665.65

Finding the Fourth Proportional to 2,358.74, 3,538.58 and 1,665.65

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Solution

The fourth proportional to 2,358.74, 3,538.58 and 1,665.65 is: 2,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.74 : 3,538.58 = 1,665.65 : x
  2. Step 2: Convert to fraction form
    2,358.74/3,538.58 = 1,665.65/x
  3. Step 3: Cross multiply
    2,358.74x = 3,538.58 × 1,665.65
  4. Step 4: Simplify right side
    2,358.74x = 5,894,009.76
  5. Step 5: Solve for x
    x = 5,894,009.76/2,358.74
  6. Step 6: Final answer
    x = 2,498.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.