Home / 1,964.30-2,929.90-1,828.22

Finding the Fourth Proportional to 1,964.30, 2,929.90 and 1,828.22

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Solution

The fourth proportional to 1,964.30, 2,929.90 and 1,828.22 is: 2,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.30 : 2,929.90 = 1,828.22 : x
  2. Step 2: Convert to fraction form
    1,964.30/2,929.90 = 1,828.22/x
  3. Step 3: Cross multiply
    1,964.30x = 2,929.90 × 1,828.22
  4. Step 4: Simplify right side
    1,964.30x = 5,356,501.78
  5. Step 5: Solve for x
    x = 5,356,501.78/1,964.30
  6. Step 6: Final answer
    x = 2,726.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.