Home / 2,649.51-3,975.93-1,006.20

Finding the Fourth Proportional to 2,649.51, 3,975.93 and 1,006.20

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Solution

The fourth proportional to 2,649.51, 3,975.93 and 1,006.20 is: 1,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.51 : 3,975.93 = 1,006.20 : x
  2. Step 2: Convert to fraction form
    2,649.51/3,975.93 = 1,006.20/x
  3. Step 3: Cross multiply
    2,649.51x = 3,975.93 × 1,006.20
  4. Step 4: Simplify right side
    2,649.51x = 4,000,580.77
  5. Step 5: Solve for x
    x = 4,000,580.77/2,649.51
  6. Step 6: Final answer
    x = 1,509.93

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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.