Home / 1,569.61-2,354.79-1,108.28

Finding the Fourth Proportional to 1,569.61, 2,354.79 and 1,108.28

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Solution

The fourth proportional to 1,569.61, 2,354.79 and 1,108.28 is: 1,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.61 : 2,354.79 = 1,108.28 : x
  2. Step 2: Convert to fraction form
    1,569.61/2,354.79 = 1,108.28/x
  3. Step 3: Cross multiply
    1,569.61x = 2,354.79 × 1,108.28
  4. Step 4: Simplify right side
    1,569.61x = 2,609,776.70
  5. Step 5: Solve for x
    x = 2,609,776.70/1,569.61
  6. Step 6: Final answer
    x = 1,662.69

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1.5x scale

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.