Home / 3,061.89-4,595.01-1,213.40

Finding the Fourth Proportional to 3,061.89, 4,595.01 and 1,213.40

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Solution

The fourth proportional to 3,061.89, 4,595.01 and 1,213.40 is: 1,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.89 : 4,595.01 = 1,213.40 : x
  2. Step 2: Convert to fraction form
    3,061.89/4,595.01 = 1,213.40/x
  3. Step 3: Cross multiply
    3,061.89x = 4,595.01 × 1,213.40
  4. Step 4: Simplify right side
    3,061.89x = 5,575,583.61
  5. Step 5: Solve for x
    x = 5,575,583.61/3,061.89
  6. Step 6: Final answer
    x = 1,820.96

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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.