Home / 1,859.27-2,565.70-1,019.95

Finding the Fourth Proportional to 1,859.27, 2,565.70 and 1,019.95

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Solution

The fourth proportional to 1,859.27, 2,565.70 and 1,019.95 is: 1,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.27 : 2,565.70 = 1,019.95 : x
  2. Step 2: Convert to fraction form
    1,859.27/2,565.70 = 1,019.95/x
  3. Step 3: Cross multiply
    1,859.27x = 2,565.70 × 1,019.95
  4. Step 4: Simplify right side
    1,859.27x = 2,616,898.09
  5. Step 5: Solve for x
    x = 2,616,898.09/1,859.27
  6. Step 6: Final answer
    x = 1,407.49

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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.