Home / 3,626.47-5,430.14-2,935.74

Finding the Fourth Proportional to 3,626.47, 5,430.14 and 2,935.74

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Solution

The fourth proportional to 3,626.47, 5,430.14 and 2,935.74 is: 4,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.47 : 5,430.14 = 2,935.74 : x
  2. Step 2: Convert to fraction form
    3,626.47/5,430.14 = 2,935.74/x
  3. Step 3: Cross multiply
    3,626.47x = 5,430.14 × 2,935.74
  4. Step 4: Simplify right side
    3,626.47x = 15,941,495.90
  5. Step 5: Solve for x
    x = 15,941,495.90/3,626.47
  6. Step 6: Final answer
    x = 4,395.87

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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.