Home / 2,830.64-4,237.32-2,098.40

Finding the Fourth Proportional to 2,830.64, 4,237.32 and 2,098.40

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Solution

The fourth proportional to 2,830.64, 4,237.32 and 2,098.40 is: 3,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.64 : 4,237.32 = 2,098.40 : x
  2. Step 2: Convert to fraction form
    2,830.64/4,237.32 = 2,098.40/x
  3. Step 3: Cross multiply
    2,830.64x = 4,237.32 × 2,098.40
  4. Step 4: Simplify right side
    2,830.64x = 8,891,592.29
  5. Step 5: Solve for x
    x = 8,891,592.29/2,830.64
  6. Step 6: Final answer
    x = 3,141.20

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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.