Home / 2,902.02-4,343.38-2,642.61

Finding the Fourth Proportional to 2,902.02, 4,343.38 and 2,642.61

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Solution

The fourth proportional to 2,902.02, 4,343.38 and 2,642.61 is: 3,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.02 : 4,343.38 = 2,642.61 : x
  2. Step 2: Convert to fraction form
    2,902.02/4,343.38 = 2,642.61/x
  3. Step 3: Cross multiply
    2,902.02x = 4,343.38 × 2,642.61
  4. Step 4: Simplify right side
    2,902.02x = 11,477,869.10
  5. Step 5: Solve for x
    x = 11,477,869.10/2,902.02
  6. Step 6: Final answer
    x = 3,955.14

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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.