Home / 3,783.60-5,670.54-1,590.84

Finding the Fourth Proportional to 3,783.60, 5,670.54 and 1,590.84

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Solution

The fourth proportional to 3,783.60, 5,670.54 and 1,590.84 is: 2,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.60 : 5,670.54 = 1,590.84 : x
  2. Step 2: Convert to fraction form
    3,783.60/5,670.54 = 1,590.84/x
  3. Step 3: Cross multiply
    3,783.60x = 5,670.54 × 1,590.84
  4. Step 4: Simplify right side
    3,783.60x = 9,020,921.85
  5. Step 5: Solve for x
    x = 9,020,921.85/3,783.60
  6. Step 6: Final answer
    x = 2,384.22

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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.