Home / 1,505.40-2,258.14-465.36

Finding the Fourth Proportional to 1,505.40, 2,258.14 and 465.36

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Solution

The fourth proportional to 1,505.40, 2,258.14 and 465.36 is: 698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.40 : 2,258.14 = 465.36 : x
  2. Step 2: Convert to fraction form
    1,505.40/2,258.14 = 465.36/x
  3. Step 3: Cross multiply
    1,505.40x = 2,258.14 × 465.36
  4. Step 4: Simplify right side
    1,505.40x = 1,050,848.03
  5. Step 5: Solve for x
    x = 1,050,848.03/1,505.40
  6. Step 6: Final answer
    x = 698.05

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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.