Home / 1,530.91-2,114.79-1,474.02

Finding the Fourth Proportional to 1,530.91, 2,114.79 and 1,474.02

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Solution

The fourth proportional to 1,530.91, 2,114.79 and 1,474.02 is: 2,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.91 : 2,114.79 = 1,474.02 : x
  2. Step 2: Convert to fraction form
    1,530.91/2,114.79 = 1,474.02/x
  3. Step 3: Cross multiply
    1,530.91x = 2,114.79 × 1,474.02
  4. Step 4: Simplify right side
    1,530.91x = 3,117,234.83
  5. Step 5: Solve for x
    x = 3,117,234.83/1,530.91
  6. Step 6: Final answer
    x = 2,036.20

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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.