Home / 1,651.90-2,279.62-895.70

Finding the Fourth Proportional to 1,651.90, 2,279.62 and 895.70

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Solution

The fourth proportional to 1,651.90, 2,279.62 and 895.70 is: 1,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.90 : 2,279.62 = 895.70 : x
  2. Step 2: Convert to fraction form
    1,651.90/2,279.62 = 895.70/x
  3. Step 3: Cross multiply
    1,651.90x = 2,279.62 × 895.70
  4. Step 4: Simplify right side
    1,651.90x = 2,041,851.16
  5. Step 5: Solve for x
    x = 2,041,851.16/1,651.90
  6. Step 6: Final answer
    x = 1,236.06

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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.