Home / 2,235.47-3,353.81-1,590.30

Finding the Fourth Proportional to 2,235.47, 3,353.81 and 1,590.30

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Solution

The fourth proportional to 2,235.47, 3,353.81 and 1,590.30 is: 2,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.47 : 3,353.81 = 1,590.30 : x
  2. Step 2: Convert to fraction form
    2,235.47/3,353.81 = 1,590.30/x
  3. Step 3: Cross multiply
    2,235.47x = 3,353.81 × 1,590.30
  4. Step 4: Simplify right side
    2,235.47x = 5,333,556.09
  5. Step 5: Solve for x
    x = 5,333,556.09/2,235.47
  6. Step 6: Final answer
    x = 2,385.88

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1.5x scale

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.