Home / 3,355.40-5,032.38-1,045.64

Finding the Fourth Proportional to 3,355.40, 5,032.38 and 1,045.64

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Solution

The fourth proportional to 3,355.40, 5,032.38 and 1,045.64 is: 1,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.40 : 5,032.38 = 1,045.64 : x
  2. Step 2: Convert to fraction form
    3,355.40/5,032.38 = 1,045.64/x
  3. Step 3: Cross multiply
    3,355.40x = 5,032.38 × 1,045.64
  4. Step 4: Simplify right side
    3,355.40x = 5,262,057.82
  5. Step 5: Solve for x
    x = 5,262,057.82/3,355.40
  6. Step 6: Final answer
    x = 1,568.24

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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.