Home / 1,216.14-1,825.56-904.92

Finding the Fourth Proportional to 1,216.14, 1,825.56 and 904.92

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Solution

The fourth proportional to 1,216.14, 1,825.56 and 904.92 is: 1,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.14 : 1,825.56 = 904.92 : x
  2. Step 2: Convert to fraction form
    1,216.14/1,825.56 = 904.92/x
  3. Step 3: Cross multiply
    1,216.14x = 1,825.56 × 904.92
  4. Step 4: Simplify right side
    1,216.14x = 1,651,985.76
  5. Step 5: Solve for x
    x = 1,651,985.76/1,216.14
  6. Step 6: Final answer
    x = 1,358.38

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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.