Home / 1,941.64-2,913.83-1,053.18

Finding the Fourth Proportional to 1,941.64, 2,913.83 and 1,053.18

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Solution

The fourth proportional to 1,941.64, 2,913.83 and 1,053.18 is: 1,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.64 : 2,913.83 = 1,053.18 : x
  2. Step 2: Convert to fraction form
    1,941.64/2,913.83 = 1,053.18/x
  3. Step 3: Cross multiply
    1,941.64x = 2,913.83 × 1,053.18
  4. Step 4: Simplify right side
    1,941.64x = 3,068,767.64
  5. Step 5: Solve for x
    x = 3,068,767.64/1,941.64
  6. Step 6: Final answer
    x = 1,580.50

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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.