Home / 1,909.18-2,860.92-1,564.93

Finding the Fourth Proportional to 1,909.18, 2,860.92 and 1,564.93

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Solution

The fourth proportional to 1,909.18, 2,860.92 and 1,564.93 is: 2,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.18 : 2,860.92 = 1,564.93 : x
  2. Step 2: Convert to fraction form
    1,909.18/2,860.92 = 1,564.93/x
  3. Step 3: Cross multiply
    1,909.18x = 2,860.92 × 1,564.93
  4. Step 4: Simplify right side
    1,909.18x = 4,477,139.54
  5. Step 5: Solve for x
    x = 4,477,139.54/1,909.18
  6. Step 6: Final answer
    x = 2,345.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.