Home / 1,715.11-2,366.62-1,006.76

Finding the Fourth Proportional to 1,715.11, 2,366.62 and 1,006.76

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Solution

The fourth proportional to 1,715.11, 2,366.62 and 1,006.76 is: 1,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.11 : 2,366.62 = 1,006.76 : x
  2. Step 2: Convert to fraction form
    1,715.11/2,366.62 = 1,006.76/x
  3. Step 3: Cross multiply
    1,715.11x = 2,366.62 × 1,006.76
  4. Step 4: Simplify right side
    1,715.11x = 2,382,621.75
  5. Step 5: Solve for x
    x = 2,382,621.75/1,715.11
  6. Step 6: Final answer
    x = 1,389.20

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Half scale
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Double scale
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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.