Home / 1,522.77-2,100.34-933.19

Finding the Fourth Proportional to 1,522.77, 2,100.34 and 933.19

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Solution

The fourth proportional to 1,522.77, 2,100.34 and 933.19 is: 1,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.77 : 2,100.34 = 933.19 : x
  2. Step 2: Convert to fraction form
    1,522.77/2,100.34 = 933.19/x
  3. Step 3: Cross multiply
    1,522.77x = 2,100.34 × 933.19
  4. Step 4: Simplify right side
    1,522.77x = 1,960,020.08
  5. Step 5: Solve for x
    x = 1,960,020.08/1,522.77
  6. Step 6: Final answer
    x = 1,287.14

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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.