Home / 2,929.02-4,042.07-1,602.75

Finding the Fourth Proportional to 2,929.02, 4,042.07 and 1,602.75

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Solution

The fourth proportional to 2,929.02, 4,042.07 and 1,602.75 is: 2,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.02 : 4,042.07 = 1,602.75 : x
  2. Step 2: Convert to fraction form
    2,929.02/4,042.07 = 1,602.75/x
  3. Step 3: Cross multiply
    2,929.02x = 4,042.07 × 1,602.75
  4. Step 4: Simplify right side
    2,929.02x = 6,478,427.69
  5. Step 5: Solve for x
    x = 6,478,427.69/2,929.02
  6. Step 6: Final answer
    x = 2,211.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.