Home / 1,657.85-2,288.57-1,068.66

Finding the Fourth Proportional to 1,657.85, 2,288.57 and 1,068.66

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Solution

The fourth proportional to 1,657.85, 2,288.57 and 1,068.66 is: 1,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.85 : 2,288.57 = 1,068.66 : x
  2. Step 2: Convert to fraction form
    1,657.85/2,288.57 = 1,068.66/x
  3. Step 3: Cross multiply
    1,657.85x = 2,288.57 × 1,068.66
  4. Step 4: Simplify right side
    1,657.85x = 2,445,697.87
  5. Step 5: Solve for x
    x = 2,445,697.87/1,657.85
  6. Step 6: Final answer
    x = 1,475.23

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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.