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Finding the Fourth Proportional to 1,797.08, 2,479.95 and 1,011.13

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Solution

The fourth proportional to 1,797.08, 2,479.95 and 1,011.13 is: 1,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.08 : 2,479.95 = 1,011.13 : x
  2. Step 2: Convert to fraction form
    1,797.08/2,479.95 = 1,011.13/x
  3. Step 3: Cross multiply
    1,797.08x = 2,479.95 × 1,011.13
  4. Step 4: Simplify right side
    1,797.08x = 2,507,534.39
  5. Step 5: Solve for x
    x = 2,507,534.39/1,797.08
  6. Step 6: Final answer
    x = 1,395.34

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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.