Home / 1,834.20-2,528.28-1,440.54

Finding the Fourth Proportional to 1,834.20, 2,528.28 and 1,440.54

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Solution

The fourth proportional to 1,834.20, 2,528.28 and 1,440.54 is: 1,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.20 : 2,528.28 = 1,440.54 : x
  2. Step 2: Convert to fraction form
    1,834.20/2,528.28 = 1,440.54/x
  3. Step 3: Cross multiply
    1,834.20x = 2,528.28 × 1,440.54
  4. Step 4: Simplify right side
    1,834.20x = 3,642,088.47
  5. Step 5: Solve for x
    x = 3,642,088.47/1,834.20
  6. Step 6: Final answer
    x = 1,985.66

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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.