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Finding the Fourth Proportional to 1,797.12, 2,480.02 and 1,011.16

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Solution

The fourth proportional to 1,797.12, 2,480.02 and 1,011.16 is: 1,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.12 : 2,480.02 = 1,011.16 : x
  2. Step 2: Convert to fraction form
    1,797.12/2,480.02 = 1,011.16/x
  3. Step 3: Cross multiply
    1,797.12x = 2,480.02 × 1,011.16
  4. Step 4: Simplify right side
    1,797.12x = 2,507,697.02
  5. Step 5: Solve for x
    x = 2,507,697.02/1,797.12
  6. Step 6: Final answer
    x = 1,395.40

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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.