Home / 2,431.32-3,353.24-1,545.60

Finding the Fourth Proportional to 2,431.32, 3,353.24 and 1,545.60

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Solution

The fourth proportional to 2,431.32, 3,353.24 and 1,545.60 is: 2,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.32 : 3,353.24 = 1,545.60 : x
  2. Step 2: Convert to fraction form
    2,431.32/3,353.24 = 1,545.60/x
  3. Step 3: Cross multiply
    2,431.32x = 3,353.24 × 1,545.60
  4. Step 4: Simplify right side
    2,431.32x = 5,182,767.74
  5. Step 5: Solve for x
    x = 5,182,767.74/2,431.32
  6. Step 6: Final answer
    x = 2,131.67

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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.