Home / 1,533.48-2,299.65-608.76

Finding the Fourth Proportional to 1,533.48, 2,299.65 and 608.76

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Solution

The fourth proportional to 1,533.48, 2,299.65 and 608.76 is: 912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.48 : 2,299.65 = 608.76 : x
  2. Step 2: Convert to fraction form
    1,533.48/2,299.65 = 608.76/x
  3. Step 3: Cross multiply
    1,533.48x = 2,299.65 × 608.76
  4. Step 4: Simplify right side
    1,533.48x = 1,399,934.93
  5. Step 5: Solve for x
    x = 1,399,934.93/1,533.48
  6. Step 6: Final answer
    x = 912.91

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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.