Home / 1,649.09-2,271.84-1,150.85

Finding the Fourth Proportional to 1,649.09, 2,271.84 and 1,150.85

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Solution

The fourth proportional to 1,649.09, 2,271.84 and 1,150.85 is: 1,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.09 : 2,271.84 = 1,150.85 : x
  2. Step 2: Convert to fraction form
    1,649.09/2,271.84 = 1,150.85/x
  3. Step 3: Cross multiply
    1,649.09x = 2,271.84 × 1,150.85
  4. Step 4: Simplify right side
    1,649.09x = 2,614,547.06
  5. Step 5: Solve for x
    x = 2,614,547.06/1,649.09
  6. Step 6: Final answer
    x = 1,585.45

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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.