Home / 2,124.04-2,931.26-1,179.77

Finding the Fourth Proportional to 2,124.04, 2,931.26 and 1,179.77

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Solution

The fourth proportional to 2,124.04, 2,931.26 and 1,179.77 is: 1,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.04 : 2,931.26 = 1,179.77 : x
  2. Step 2: Convert to fraction form
    2,124.04/2,931.26 = 1,179.77/x
  3. Step 3: Cross multiply
    2,124.04x = 2,931.26 × 1,179.77
  4. Step 4: Simplify right side
    2,124.04x = 3,458,192.06
  5. Step 5: Solve for x
    x = 3,458,192.06/2,124.04
  6. Step 6: Final answer
    x = 1,628.12

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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.