Home / 1,893.08-2,612.45-1,053.76

Finding the Fourth Proportional to 1,893.08, 2,612.45 and 1,053.76

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Solution

The fourth proportional to 1,893.08, 2,612.45 and 1,053.76 is: 1,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.08 : 2,612.45 = 1,053.76 : x
  2. Step 2: Convert to fraction form
    1,893.08/2,612.45 = 1,053.76/x
  3. Step 3: Cross multiply
    1,893.08x = 2,612.45 × 1,053.76
  4. Step 4: Simplify right side
    1,893.08x = 2,752,895.31
  5. Step 5: Solve for x
    x = 2,752,895.31/1,893.08
  6. Step 6: Final answer
    x = 1,454.19

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1.5x scale

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.