Home / 1,515.94-2,260.72-1,347.95

Finding the Fourth Proportional to 1,515.94, 2,260.72 and 1,347.95

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Solution

The fourth proportional to 1,515.94, 2,260.72 and 1,347.95 is: 2,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.94 : 2,260.72 = 1,347.95 : x
  2. Step 2: Convert to fraction form
    1,515.94/2,260.72 = 1,347.95/x
  3. Step 3: Cross multiply
    1,515.94x = 2,260.72 × 1,347.95
  4. Step 4: Simplify right side
    1,515.94x = 3,047,335.63
  5. Step 5: Solve for x
    x = 3,047,335.63/1,515.94
  6. Step 6: Final answer
    x = 2,010.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.