Home / 1,893.02-2,612.32-1,053.70

Finding the Fourth Proportional to 1,893.02, 2,612.32 and 1,053.70

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Solution

The fourth proportional to 1,893.02, 2,612.32 and 1,053.70 is: 1,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.02 : 2,612.32 = 1,053.70 : x
  2. Step 2: Convert to fraction form
    1,893.02/2,612.32 = 1,053.70/x
  3. Step 3: Cross multiply
    1,893.02x = 2,612.32 × 1,053.70
  4. Step 4: Simplify right side
    1,893.02x = 2,752,612.74
  5. Step 5: Solve for x
    x = 2,752,612.74/1,893.02
  6. Step 6: Final answer
    x = 1,454.09

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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.