Home / 1,924.93-2,656.70-1,139.23

Finding the Fourth Proportional to 1,924.93, 2,656.70 and 1,139.23

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Solution

The fourth proportional to 1,924.93, 2,656.70 and 1,139.23 is: 1,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.93 : 2,656.70 = 1,139.23 : x
  2. Step 2: Convert to fraction form
    1,924.93/2,656.70 = 1,139.23/x
  3. Step 3: Cross multiply
    1,924.93x = 2,656.70 × 1,139.23
  4. Step 4: Simplify right side
    1,924.93x = 3,026,592.34
  5. Step 5: Solve for x
    x = 3,026,592.34/1,924.93
  6. Step 6: Final answer
    x = 1,572.31

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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.