Home / 1,677.16-2,515.74-1,400.68

Finding the Fourth Proportional to 1,677.16, 2,515.74 and 1,400.68

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Solution

The fourth proportional to 1,677.16, 2,515.74 and 1,400.68 is: 2,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.16 : 2,515.74 = 1,400.68 : x
  2. Step 2: Convert to fraction form
    1,677.16/2,515.74 = 1,400.68/x
  3. Step 3: Cross multiply
    1,677.16x = 2,515.74 × 1,400.68
  4. Step 4: Simplify right side
    1,677.16x = 3,523,746.70
  5. Step 5: Solve for x
    x = 3,523,746.70/1,677.16
  6. Step 6: Final answer
    x = 2,101.02

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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.