Home / 2,683.81-3,703.31-1,564.46

Finding the Fourth Proportional to 2,683.81, 3,703.31 and 1,564.46

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Solution

The fourth proportional to 2,683.81, 3,703.31 and 1,564.46 is: 2,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.81 : 3,703.31 = 1,564.46 : x
  2. Step 2: Convert to fraction form
    2,683.81/3,703.31 = 1,564.46/x
  3. Step 3: Cross multiply
    2,683.81x = 3,703.31 × 1,564.46
  4. Step 4: Simplify right side
    2,683.81x = 5,793,694.61
  5. Step 5: Solve for x
    x = 5,793,694.61/2,683.81
  6. Step 6: Final answer
    x = 2,158.76

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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.