Home / 1,539.24-2,133.91-1,456.11

Finding the Fourth Proportional to 1,539.24, 2,133.91 and 1,456.11

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Solution

The fourth proportional to 1,539.24, 2,133.91 and 1,456.11 is: 2,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.24 : 2,133.91 = 1,456.11 : x
  2. Step 2: Convert to fraction form
    1,539.24/2,133.91 = 1,456.11/x
  3. Step 3: Cross multiply
    1,539.24x = 2,133.91 × 1,456.11
  4. Step 4: Simplify right side
    1,539.24x = 3,107,207.69
  5. Step 5: Solve for x
    x = 3,107,207.69/1,539.24
  6. Step 6: Final answer
    x = 2,018.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.