Home / 2,897.81-4,341.23-2,312.79

Finding the Fourth Proportional to 2,897.81, 4,341.23 and 2,312.79

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Solution

The fourth proportional to 2,897.81, 4,341.23 and 2,312.79 is: 3,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.81 : 4,341.23 = 2,312.79 : x
  2. Step 2: Convert to fraction form
    2,897.81/4,341.23 = 2,312.79/x
  3. Step 3: Cross multiply
    2,897.81x = 4,341.23 × 2,312.79
  4. Step 4: Simplify right side
    2,897.81x = 10,040,334.16
  5. Step 5: Solve for x
    x = 10,040,334.16/2,897.81
  6. Step 6: Final answer
    x = 3,464.80

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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.