Home / 1,677.36-2,312.91-1,454.34

Finding the Fourth Proportional to 1,677.36, 2,312.91 and 1,454.34

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Solution

The fourth proportional to 1,677.36, 2,312.91 and 1,454.34 is: 2,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.36 : 2,312.91 = 1,454.34 : x
  2. Step 2: Convert to fraction form
    1,677.36/2,312.91 = 1,454.34/x
  3. Step 3: Cross multiply
    1,677.36x = 2,312.91 × 1,454.34
  4. Step 4: Simplify right side
    1,677.36x = 3,363,757.53
  5. Step 5: Solve for x
    x = 3,363,757.53/1,677.36
  6. Step 6: Final answer
    x = 2,005.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.