Home / 2,151.46-3,225.93-1,539.10

Finding the Fourth Proportional to 2,151.46, 3,225.93 and 1,539.10

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Solution

The fourth proportional to 2,151.46, 3,225.93 and 1,539.10 is: 2,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.46 : 3,225.93 = 1,539.10 : x
  2. Step 2: Convert to fraction form
    2,151.46/3,225.93 = 1,539.10/x
  3. Step 3: Cross multiply
    2,151.46x = 3,225.93 × 1,539.10
  4. Step 4: Simplify right side
    2,151.46x = 4,965,028.86
  5. Step 5: Solve for x
    x = 4,965,028.86/2,151.46
  6. Step 6: Final answer
    x = 2,307.75

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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.