Home / 1,719.04-2,372.29-933.10

Finding the Fourth Proportional to 1,719.04, 2,372.29 and 933.10

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Solution

The fourth proportional to 1,719.04, 2,372.29 and 933.10 is: 1,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.04 : 2,372.29 = 933.10 : x
  2. Step 2: Convert to fraction form
    1,719.04/2,372.29 = 933.10/x
  3. Step 3: Cross multiply
    1,719.04x = 2,372.29 × 933.10
  4. Step 4: Simplify right side
    1,719.04x = 2,213,583.80
  5. Step 5: Solve for x
    x = 2,213,583.80/1,719.04
  6. Step 6: Final answer
    x = 1,287.69

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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.