Home / 2,134.50-2,948.04-1,434.66

Finding the Fourth Proportional to 2,134.50, 2,948.04 and 1,434.66

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Solution

The fourth proportional to 2,134.50, 2,948.04 and 1,434.66 is: 1,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.50 : 2,948.04 = 1,434.66 : x
  2. Step 2: Convert to fraction form
    2,134.50/2,948.04 = 1,434.66/x
  3. Step 3: Cross multiply
    2,134.50x = 2,948.04 × 1,434.66
  4. Step 4: Simplify right side
    2,134.50x = 4,229,435.07
  5. Step 5: Solve for x
    x = 4,229,435.07/2,134.50
  6. Step 6: Final answer
    x = 1,981.46

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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.