Home / 1,569.17-2,353.73-399.17

Finding the Fourth Proportional to 1,569.17, 2,353.73 and 399.17

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Solution

The fourth proportional to 1,569.17, 2,353.73 and 399.17 is: 598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.17 : 2,353.73 = 399.17 : x
  2. Step 2: Convert to fraction form
    1,569.17/2,353.73 = 399.17/x
  3. Step 3: Cross multiply
    1,569.17x = 2,353.73 × 399.17
  4. Step 4: Simplify right side
    1,569.17x = 939,524.64
  5. Step 5: Solve for x
    x = 939,524.64/1,569.17
  6. Step 6: Final answer
    x = 598.74

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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.