Home / 2,288.42-3,432.18-1,117.26

Finding the Fourth Proportional to 2,288.42, 3,432.18 and 1,117.26

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Solution

The fourth proportional to 2,288.42, 3,432.18 and 1,117.26 is: 1,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.42 : 3,432.18 = 1,117.26 : x
  2. Step 2: Convert to fraction form
    2,288.42/3,432.18 = 1,117.26/x
  3. Step 3: Cross multiply
    2,288.42x = 3,432.18 × 1,117.26
  4. Step 4: Simplify right side
    2,288.42x = 3,834,637.43
  5. Step 5: Solve for x
    x = 3,834,637.43/2,288.42
  6. Step 6: Final answer
    x = 1,675.67

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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.