Home / 1,531.36-2,108.96-1,526.56

Finding the Fourth Proportional to 1,531.36, 2,108.96 and 1,526.56

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Solution

The fourth proportional to 1,531.36, 2,108.96 and 1,526.56 is: 2,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.36 : 2,108.96 = 1,526.56 : x
  2. Step 2: Convert to fraction form
    1,531.36/2,108.96 = 1,526.56/x
  3. Step 3: Cross multiply
    1,531.36x = 2,108.96 × 1,526.56
  4. Step 4: Simplify right side
    1,531.36x = 3,219,453.98
  5. Step 5: Solve for x
    x = 3,219,453.98/1,531.36
  6. Step 6: Final answer
    x = 2,102.35

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1.5x scale

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.