Home / 2,341.72-3,486.48-2,309.01

Finding the Fourth Proportional to 2,341.72, 3,486.48 and 2,309.01

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Solution

The fourth proportional to 2,341.72, 3,486.48 and 2,309.01 is: 3,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.72 : 3,486.48 = 2,309.01 : x
  2. Step 2: Convert to fraction form
    2,341.72/3,486.48 = 2,309.01/x
  3. Step 3: Cross multiply
    2,341.72x = 3,486.48 × 2,309.01
  4. Step 4: Simplify right side
    2,341.72x = 8,050,325.90
  5. Step 5: Solve for x
    x = 8,050,325.90/2,341.72
  6. Step 6: Final answer
    x = 3,437.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.