Home / 1,544.55-2,320.47-1,271.18

Finding the Fourth Proportional to 1,544.55, 2,320.47 and 1,271.18

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Solution

The fourth proportional to 1,544.55, 2,320.47 and 1,271.18 is: 1,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.55 : 2,320.47 = 1,271.18 : x
  2. Step 2: Convert to fraction form
    1,544.55/2,320.47 = 1,271.18/x
  3. Step 3: Cross multiply
    1,544.55x = 2,320.47 × 1,271.18
  4. Step 4: Simplify right side
    1,544.55x = 2,949,723.45
  5. Step 5: Solve for x
    x = 2,949,723.45/1,544.55
  6. Step 6: Final answer
    x = 1,909.76

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1.5x scale

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.