Home / 3,756.40-5,628.45-2,440.10

Finding the Fourth Proportional to 3,756.40, 5,628.45 and 2,440.10

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Solution

The fourth proportional to 3,756.40, 5,628.45 and 2,440.10 is: 3,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.40 : 5,628.45 = 2,440.10 : x
  2. Step 2: Convert to fraction form
    3,756.40/5,628.45 = 2,440.10/x
  3. Step 3: Cross multiply
    3,756.40x = 5,628.45 × 2,440.10
  4. Step 4: Simplify right side
    3,756.40x = 13,734,004.07
  5. Step 5: Solve for x
    x = 13,734,004.07/3,756.40
  6. Step 6: Final answer
    x = 3,656.16

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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.