Home / 2,931.16-4,397.64-1,199.92

Finding the Fourth Proportional to 2,931.16, 4,397.64 and 1,199.92

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Solution

The fourth proportional to 2,931.16, 4,397.64 and 1,199.92 is: 1,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.16 : 4,397.64 = 1,199.92 : x
  2. Step 2: Convert to fraction form
    2,931.16/4,397.64 = 1,199.92/x
  3. Step 3: Cross multiply
    2,931.16x = 4,397.64 × 1,199.92
  4. Step 4: Simplify right side
    2,931.16x = 5,276,816.19
  5. Step 5: Solve for x
    x = 5,276,816.19/2,931.16
  6. Step 6: Final answer
    x = 1,800.25

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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.