Home / 1,536.30-2,108.30-1,439.10

Finding the Fourth Proportional to 1,536.30, 2,108.30 and 1,439.10

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Solution

The fourth proportional to 1,536.30, 2,108.30 and 1,439.10 is: 1,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.30 : 2,108.30 = 1,439.10 : x
  2. Step 2: Convert to fraction form
    1,536.30/2,108.30 = 1,439.10/x
  3. Step 3: Cross multiply
    1,536.30x = 2,108.30 × 1,439.10
  4. Step 4: Simplify right side
    1,536.30x = 3,034,054.53
  5. Step 5: Solve for x
    x = 3,034,054.53/1,536.30
  6. Step 6: Final answer
    x = 1,974.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.