Home / 3,146.18-4,343.04-2,124.32

Finding the Fourth Proportional to 3,146.18, 4,343.04 and 2,124.32

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Solution

The fourth proportional to 3,146.18, 4,343.04 and 2,124.32 is: 2,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.18 : 4,343.04 = 2,124.32 : x
  2. Step 2: Convert to fraction form
    3,146.18/4,343.04 = 2,124.32/x
  3. Step 3: Cross multiply
    3,146.18x = 4,343.04 × 2,124.32
  4. Step 4: Simplify right side
    3,146.18x = 9,225,985.02
  5. Step 5: Solve for x
    x = 9,225,985.02/3,146.18
  6. Step 6: Final answer
    x = 2,932.44

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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.