Home / 1,924.71-2,655.90-1,085.51

Finding the Fourth Proportional to 1,924.71, 2,655.90 and 1,085.51

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Solution

The fourth proportional to 1,924.71, 2,655.90 and 1,085.51 is: 1,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.71 : 2,655.90 = 1,085.51 : x
  2. Step 2: Convert to fraction form
    1,924.71/2,655.90 = 1,085.51/x
  3. Step 3: Cross multiply
    1,924.71x = 2,655.90 × 1,085.51
  4. Step 4: Simplify right side
    1,924.71x = 2,883,006.01
  5. Step 5: Solve for x
    x = 2,883,006.01/1,924.71
  6. Step 6: Final answer
    x = 1,497.89

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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.