Home / 4,145.10-5,720.40-2,377.23

Finding the Fourth Proportional to 4,145.10, 5,720.40 and 2,377.23

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Solution

The fourth proportional to 4,145.10, 5,720.40 and 2,377.23 is: 3,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.10 : 5,720.40 = 2,377.23 : x
  2. Step 2: Convert to fraction form
    4,145.10/5,720.40 = 2,377.23/x
  3. Step 3: Cross multiply
    4,145.10x = 5,720.40 × 2,377.23
  4. Step 4: Simplify right side
    4,145.10x = 13,598,706.49
  5. Step 5: Solve for x
    x = 13,598,706.49/4,145.10
  6. Step 6: Final answer
    x = 3,280.67

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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.