Home / 2,420.19-3,337.74-1,859.67

Finding the Fourth Proportional to 2,420.19, 3,337.74 and 1,859.67

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Solution

The fourth proportional to 2,420.19, 3,337.74 and 1,859.67 is: 2,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.19 : 3,337.74 = 1,859.67 : x
  2. Step 2: Convert to fraction form
    2,420.19/3,337.74 = 1,859.67/x
  3. Step 3: Cross multiply
    2,420.19x = 3,337.74 × 1,859.67
  4. Step 4: Simplify right side
    2,420.19x = 6,207,094.95
  5. Step 5: Solve for x
    x = 6,207,094.95/2,420.19
  6. Step 6: Final answer
    x = 2,564.71

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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.