Home / 1,924.65-2,657.23-1,395.29

Finding the Fourth Proportional to 1,924.65, 2,657.23 and 1,395.29

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Solution

The fourth proportional to 1,924.65, 2,657.23 and 1,395.29 is: 1,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.65 : 2,657.23 = 1,395.29 : x
  2. Step 2: Convert to fraction form
    1,924.65/2,657.23 = 1,395.29/x
  3. Step 3: Cross multiply
    1,924.65x = 2,657.23 × 1,395.29
  4. Step 4: Simplify right side
    1,924.65x = 3,707,609.60
  5. Step 5: Solve for x
    x = 3,707,609.60/1,924.65
  6. Step 6: Final answer
    x = 1,926.38

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1.5x scale

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.