Home / 1,510.73-2,263.96-1,201.20

Finding the Fourth Proportional to 1,510.73, 2,263.96 and 1,201.20

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Solution

The fourth proportional to 1,510.73, 2,263.96 and 1,201.20 is: 1,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.73 : 2,263.96 = 1,201.20 : x
  2. Step 2: Convert to fraction form
    1,510.73/2,263.96 = 1,201.20/x
  3. Step 3: Cross multiply
    1,510.73x = 2,263.96 × 1,201.20
  4. Step 4: Simplify right side
    1,510.73x = 2,719,482.56
  5. Step 5: Solve for x
    x = 2,719,482.56/1,510.73
  6. Step 6: Final answer
    x = 1,800.12

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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.