Home / 1,540.99-2,124.93-1,010.34

Finding the Fourth Proportional to 1,540.99, 2,124.93 and 1,010.34

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Solution

The fourth proportional to 1,540.99, 2,124.93 and 1,010.34 is: 1,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.99 : 2,124.93 = 1,010.34 : x
  2. Step 2: Convert to fraction form
    1,540.99/2,124.93 = 1,010.34/x
  3. Step 3: Cross multiply
    1,540.99x = 2,124.93 × 1,010.34
  4. Step 4: Simplify right side
    1,540.99x = 2,146,901.78
  5. Step 5: Solve for x
    x = 2,146,901.78/1,540.99
  6. Step 6: Final answer
    x = 1,393.20

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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.