Home / 1,648.67-2,275.35-1,051.19

Finding the Fourth Proportional to 1,648.67, 2,275.35 and 1,051.19

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Solution

The fourth proportional to 1,648.67, 2,275.35 and 1,051.19 is: 1,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.67 : 2,275.35 = 1,051.19 : x
  2. Step 2: Convert to fraction form
    1,648.67/2,275.35 = 1,051.19/x
  3. Step 3: Cross multiply
    1,648.67x = 2,275.35 × 1,051.19
  4. Step 4: Simplify right side
    1,648.67x = 2,391,809.85
  5. Step 5: Solve for x
    x = 2,391,809.85/1,648.67
  6. Step 6: Final answer
    x = 1,450.75

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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.