Home / 2,950.08-4,427.65-1,715.78

Finding the Fourth Proportional to 2,950.08, 4,427.65 and 1,715.78

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Solution

The fourth proportional to 2,950.08, 4,427.65 and 1,715.78 is: 2,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.08 : 4,427.65 = 1,715.78 : x
  2. Step 2: Convert to fraction form
    2,950.08/4,427.65 = 1,715.78/x
  3. Step 3: Cross multiply
    2,950.08x = 4,427.65 × 1,715.78
  4. Step 4: Simplify right side
    2,950.08x = 7,596,846.89
  5. Step 5: Solve for x
    x = 7,596,846.89/2,950.08
  6. Step 6: Final answer
    x = 2,575.13

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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.