Home / 3,718.16-5,132.62-2,459.76

Finding the Fourth Proportional to 3,718.16, 5,132.62 and 2,459.76

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Solution

The fourth proportional to 3,718.16, 5,132.62 and 2,459.76 is: 3,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.16 : 5,132.62 = 2,459.76 : x
  2. Step 2: Convert to fraction form
    3,718.16/5,132.62 = 2,459.76/x
  3. Step 3: Cross multiply
    3,718.16x = 5,132.62 × 2,459.76
  4. Step 4: Simplify right side
    3,718.16x = 12,625,013.37
  5. Step 5: Solve for x
    x = 12,625,013.37/3,718.16
  6. Step 6: Final answer
    x = 3,395.50

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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.