Home / 1,819.13-2,510.71-1,376.26

Finding the Fourth Proportional to 1,819.13, 2,510.71 and 1,376.26

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Solution

The fourth proportional to 1,819.13, 2,510.71 and 1,376.26 is: 1,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.13 : 2,510.71 = 1,376.26 : x
  2. Step 2: Convert to fraction form
    1,819.13/2,510.71 = 1,376.26/x
  3. Step 3: Cross multiply
    1,819.13x = 2,510.71 × 1,376.26
  4. Step 4: Simplify right side
    1,819.13x = 3,455,387.77
  5. Step 5: Solve for x
    x = 3,455,387.77/1,819.13
  6. Step 6: Final answer
    x = 1,899.48

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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.