Home / 1,454.95-2,010.68-1,292.95

Finding the Fourth Proportional to 1,454.95, 2,010.68 and 1,292.95

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Solution

The fourth proportional to 1,454.95, 2,010.68 and 1,292.95 is: 1,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.95 : 2,010.68 = 1,292.95 : x
  2. Step 2: Convert to fraction form
    1,454.95/2,010.68 = 1,292.95/x
  3. Step 3: Cross multiply
    1,454.95x = 2,010.68 × 1,292.95
  4. Step 4: Simplify right side
    1,454.95x = 2,599,702.06
  5. Step 5: Solve for x
    x = 2,599,702.06/1,454.95
  6. Step 6: Final answer
    x = 1,786.80

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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.