Home / 2,197.18-3,032.03-1,312.46

Finding the Fourth Proportional to 2,197.18, 3,032.03 and 1,312.46

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Solution

The fourth proportional to 2,197.18, 3,032.03 and 1,312.46 is: 1,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.18 : 3,032.03 = 1,312.46 : x
  2. Step 2: Convert to fraction form
    2,197.18/3,032.03 = 1,312.46/x
  3. Step 3: Cross multiply
    2,197.18x = 3,032.03 × 1,312.46
  4. Step 4: Simplify right side
    2,197.18x = 3,979,396.37
  5. Step 5: Solve for x
    x = 3,979,396.37/2,197.18
  6. Step 6: Final answer
    x = 1,811.14

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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.