Home / 2,970.20-4,451.37-1,580.54

Finding the Fourth Proportional to 2,970.20, 4,451.37 and 1,580.54

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Solution

The fourth proportional to 2,970.20, 4,451.37 and 1,580.54 is: 2,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.20 : 4,451.37 = 1,580.54 : x
  2. Step 2: Convert to fraction form
    2,970.20/4,451.37 = 1,580.54/x
  3. Step 3: Cross multiply
    2,970.20x = 4,451.37 × 1,580.54
  4. Step 4: Simplify right side
    2,970.20x = 7,035,579.47
  5. Step 5: Solve for x
    x = 7,035,579.47/2,970.20
  6. Step 6: Final answer
    x = 2,368.72

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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.