Home / 3,712.16-5,567.40-1,403.12

Finding the Fourth Proportional to 3,712.16, 5,567.40 and 1,403.12

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Solution

The fourth proportional to 3,712.16, 5,567.40 and 1,403.12 is: 2,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.16 : 5,567.40 = 1,403.12 : x
  2. Step 2: Convert to fraction form
    3,712.16/5,567.40 = 1,403.12/x
  3. Step 3: Cross multiply
    3,712.16x = 5,567.40 × 1,403.12
  4. Step 4: Simplify right side
    3,712.16x = 7,811,730.29
  5. Step 5: Solve for x
    x = 7,811,730.29/3,712.16
  6. Step 6: Final answer
    x = 2,104.36

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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.