Home / 1,552.16-2,145.05-1,271.95

Finding the Fourth Proportional to 1,552.16, 2,145.05 and 1,271.95

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Solution

The fourth proportional to 1,552.16, 2,145.05 and 1,271.95 is: 1,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.16 : 2,145.05 = 1,271.95 : x
  2. Step 2: Convert to fraction form
    1,552.16/2,145.05 = 1,271.95/x
  3. Step 3: Cross multiply
    1,552.16x = 2,145.05 × 1,271.95
  4. Step 4: Simplify right side
    1,552.16x = 2,728,384.63
  5. Step 5: Solve for x
    x = 2,728,384.63/1,552.16
  6. Step 6: Final answer
    x = 1,757.80

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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.