Home / 2,807.36-4,206.37-1,708.40

Finding the Fourth Proportional to 2,807.36, 4,206.37 and 1,708.40

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Solution

The fourth proportional to 2,807.36, 4,206.37 and 1,708.40 is: 2,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.36 : 4,206.37 = 1,708.40 : x
  2. Step 2: Convert to fraction form
    2,807.36/4,206.37 = 1,708.40/x
  3. Step 3: Cross multiply
    2,807.36x = 4,206.37 × 1,708.40
  4. Step 4: Simplify right side
    2,807.36x = 7,186,162.51
  5. Step 5: Solve for x
    x = 7,186,162.51/2,807.36
  6. Step 6: Final answer
    x = 2,559.76

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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.