Home / 2,949.83-4,070.65-1,690.01

Finding the Fourth Proportional to 2,949.83, 4,070.65 and 1,690.01

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Solution

The fourth proportional to 2,949.83, 4,070.65 and 1,690.01 is: 2,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.83 : 4,070.65 = 1,690.01 : x
  2. Step 2: Convert to fraction form
    2,949.83/4,070.65 = 1,690.01/x
  3. Step 3: Cross multiply
    2,949.83x = 4,070.65 × 1,690.01
  4. Step 4: Simplify right side
    2,949.83x = 6,879,445.48
  5. Step 5: Solve for x
    x = 6,879,445.48/2,949.83
  6. Step 6: Final answer
    x = 2,332.15

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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.