Home / 3,308.51-4,565.80-1,816.57

Finding the Fourth Proportional to 3,308.51, 4,565.80 and 1,816.57

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Solution

The fourth proportional to 3,308.51, 4,565.80 and 1,816.57 is: 2,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.51 : 4,565.80 = 1,816.57 : x
  2. Step 2: Convert to fraction form
    3,308.51/4,565.80 = 1,816.57/x
  3. Step 3: Cross multiply
    3,308.51x = 4,565.80 × 1,816.57
  4. Step 4: Simplify right side
    3,308.51x = 8,294,095.31
  5. Step 5: Solve for x
    x = 8,294,095.31/3,308.51
  6. Step 6: Final answer
    x = 2,506.90

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1.5x scale

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.