Home / 1,711.15-2,345.99-1,680.01

Finding the Fourth Proportional to 1,711.15, 2,345.99 and 1,680.01

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Solution

The fourth proportional to 1,711.15, 2,345.99 and 1,680.01 is: 2,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.15 : 2,345.99 = 1,680.01 : x
  2. Step 2: Convert to fraction form
    1,711.15/2,345.99 = 1,680.01/x
  3. Step 3: Cross multiply
    1,711.15x = 2,345.99 × 1,680.01
  4. Step 4: Simplify right side
    1,711.15x = 3,941,286.66
  5. Step 5: Solve for x
    x = 3,941,286.66/1,711.15
  6. Step 6: Final answer
    x = 2,303.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.