Home / 2,007.02-3,009.50-620.08

Finding the Fourth Proportional to 2,007.02, 3,009.50 and 620.08

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Solution

The fourth proportional to 2,007.02, 3,009.50 and 620.08 is: 929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.02 : 3,009.50 = 620.08 : x
  2. Step 2: Convert to fraction form
    2,007.02/3,009.50 = 620.08/x
  3. Step 3: Cross multiply
    2,007.02x = 3,009.50 × 620.08
  4. Step 4: Simplify right side
    2,007.02x = 1,866,130.76
  5. Step 5: Solve for x
    x = 1,866,130.76/2,007.02
  6. Step 6: Final answer
    x = 929.80

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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.