Home / 1,410.16-2,122.08-1,275.88

Finding the Fourth Proportional to 1,410.16, 2,122.08 and 1,275.88

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Solution

The fourth proportional to 1,410.16, 2,122.08 and 1,275.88 is: 1,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.16 : 2,122.08 = 1,275.88 : x
  2. Step 2: Convert to fraction form
    1,410.16/2,122.08 = 1,275.88/x
  3. Step 3: Cross multiply
    1,410.16x = 2,122.08 × 1,275.88
  4. Step 4: Simplify right side
    1,410.16x = 2,707,519.43
  5. Step 5: Solve for x
    x = 2,707,519.43/1,410.16
  6. Step 6: Final answer
    x = 1,920.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.