Home / 2,809.43-4,210.93-1,711.36

Finding the Fourth Proportional to 2,809.43, 4,210.93 and 1,711.36

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Solution

The fourth proportional to 2,809.43, 4,210.93 and 1,711.36 is: 2,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.43 : 4,210.93 = 1,711.36 : x
  2. Step 2: Convert to fraction form
    2,809.43/4,210.93 = 1,711.36/x
  3. Step 3: Cross multiply
    2,809.43x = 4,210.93 × 1,711.36
  4. Step 4: Simplify right side
    2,809.43x = 7,206,417.16
  5. Step 5: Solve for x
    x = 7,206,417.16/2,809.43
  6. Step 6: Final answer
    x = 2,565.08

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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.