Home / 1,719.57-2,373.02-933.62

Finding the Fourth Proportional to 1,719.57, 2,373.02 and 933.62

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Solution

The fourth proportional to 1,719.57, 2,373.02 and 933.62 is: 1,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.57 : 2,373.02 = 933.62 : x
  2. Step 2: Convert to fraction form
    1,719.57/2,373.02 = 933.62/x
  3. Step 3: Cross multiply
    1,719.57x = 2,373.02 × 933.62
  4. Step 4: Simplify right side
    1,719.57x = 2,215,482.40
  5. Step 5: Solve for x
    x = 2,215,482.40/1,719.57
  6. Step 6: Final answer
    x = 1,288.39

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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.