Home / 2,303.79-3,455.67-2,186.91

Finding the Fourth Proportional to 2,303.79, 3,455.67 and 2,186.91

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Solution

The fourth proportional to 2,303.79, 3,455.67 and 2,186.91 is: 3,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.79 : 3,455.67 = 2,186.91 : x
  2. Step 2: Convert to fraction form
    2,303.79/3,455.67 = 2,186.91/x
  3. Step 3: Cross multiply
    2,303.79x = 3,455.67 × 2,186.91
  4. Step 4: Simplify right side
    2,303.79x = 7,557,239.28
  5. Step 5: Solve for x
    x = 7,557,239.28/2,303.79
  6. Step 6: Final answer
    x = 3,280.35

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1.5x scale

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.