Home / 1,465.02-2,021.67-844.22

Finding the Fourth Proportional to 1,465.02, 2,021.67 and 844.22

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Solution

The fourth proportional to 1,465.02, 2,021.67 and 844.22 is: 1,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.02 : 2,021.67 = 844.22 : x
  2. Step 2: Convert to fraction form
    1,465.02/2,021.67 = 844.22/x
  3. Step 3: Cross multiply
    1,465.02x = 2,021.67 × 844.22
  4. Step 4: Simplify right side
    1,465.02x = 1,706,734.25
  5. Step 5: Solve for x
    x = 1,706,734.25/1,465.02
  6. Step 6: Final answer
    x = 1,164.99

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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.