Home / 1,572.20-2,367.47-1,164.21

Finding the Fourth Proportional to 1,572.20, 2,367.47 and 1,164.21

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Solution

The fourth proportional to 1,572.20, 2,367.47 and 1,164.21 is: 1,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.20 : 2,367.47 = 1,164.21 : x
  2. Step 2: Convert to fraction form
    1,572.20/2,367.47 = 1,164.21/x
  3. Step 3: Cross multiply
    1,572.20x = 2,367.47 × 1,164.21
  4. Step 4: Simplify right side
    1,572.20x = 2,756,226.43
  5. Step 5: Solve for x
    x = 2,756,226.43/1,572.20
  6. Step 6: Final answer
    x = 1,753.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.