Home / 2,472.81-3,412.58-1,353.83

Finding the Fourth Proportional to 2,472.81, 3,412.58 and 1,353.83

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Solution

The fourth proportional to 2,472.81, 3,412.58 and 1,353.83 is: 1,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.81 : 3,412.58 = 1,353.83 : x
  2. Step 2: Convert to fraction form
    2,472.81/3,412.58 = 1,353.83/x
  3. Step 3: Cross multiply
    2,472.81x = 3,412.58 × 1,353.83
  4. Step 4: Simplify right side
    2,472.81x = 4,620,053.18
  5. Step 5: Solve for x
    x = 4,620,053.18/2,472.81
  6. Step 6: Final answer
    x = 1,868.34

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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.