Home / 3,237.07-4,465.02-2,991.01

Finding the Fourth Proportional to 3,237.07, 4,465.02 and 2,991.01

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Solution

The fourth proportional to 3,237.07, 4,465.02 and 2,991.01 is: 4,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.07 : 4,465.02 = 2,991.01 : x
  2. Step 2: Convert to fraction form
    3,237.07/4,465.02 = 2,991.01/x
  3. Step 3: Cross multiply
    3,237.07x = 4,465.02 × 2,991.01
  4. Step 4: Simplify right side
    3,237.07x = 13,354,919.47
  5. Step 5: Solve for x
    x = 13,354,919.47/3,237.07
  6. Step 6: Final answer
    x = 4,125.62

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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.