Home / 1,753.95-2,616.77-1,690.14

Finding the Fourth Proportional to 1,753.95, 2,616.77 and 1,690.14

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Solution

The fourth proportional to 1,753.95, 2,616.77 and 1,690.14 is: 2,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.95 : 2,616.77 = 1,690.14 : x
  2. Step 2: Convert to fraction form
    1,753.95/2,616.77 = 1,690.14/x
  3. Step 3: Cross multiply
    1,753.95x = 2,616.77 × 1,690.14
  4. Step 4: Simplify right side
    1,753.95x = 4,422,686.11
  5. Step 5: Solve for x
    x = 4,422,686.11/1,753.95
  6. Step 6: Final answer
    x = 2,521.56

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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.