Home / 1,677.04-2,515.56-947.23

Finding the Fourth Proportional to 1,677.04, 2,515.56 and 947.23

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Solution

The fourth proportional to 1,677.04, 2,515.56 and 947.23 is: 1,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.04 : 2,515.56 = 947.23 : x
  2. Step 2: Convert to fraction form
    1,677.04/2,515.56 = 947.23/x
  3. Step 3: Cross multiply
    1,677.04x = 2,515.56 × 947.23
  4. Step 4: Simplify right side
    1,677.04x = 2,382,813.90
  5. Step 5: Solve for x
    x = 2,382,813.90/1,677.04
  6. Step 6: Final answer
    x = 1,420.85

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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.