Home / 1,569.60-2,354.84-1,276.38

Finding the Fourth Proportional to 1,569.60, 2,354.84 and 1,276.38

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Solution

The fourth proportional to 1,569.60, 2,354.84 and 1,276.38 is: 1,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.60 : 2,354.84 = 1,276.38 : x
  2. Step 2: Convert to fraction form
    1,569.60/2,354.84 = 1,276.38/x
  3. Step 3: Cross multiply
    1,569.60x = 2,354.84 × 1,276.38
  4. Step 4: Simplify right side
    1,569.60x = 3,005,664.30
  5. Step 5: Solve for x
    x = 3,005,664.30/1,569.60
  6. Step 6: Final answer
    x = 1,914.92

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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.