Home / 1,715.01-2,366.70-1,191.35

Finding the Fourth Proportional to 1,715.01, 2,366.70 and 1,191.35

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Solution

The fourth proportional to 1,715.01, 2,366.70 and 1,191.35 is: 1,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.01 : 2,366.70 = 1,191.35 : x
  2. Step 2: Convert to fraction form
    1,715.01/2,366.70 = 1,191.35/x
  3. Step 3: Cross multiply
    1,715.01x = 2,366.70 × 1,191.35
  4. Step 4: Simplify right side
    1,715.01x = 2,819,556.21
  5. Step 5: Solve for x
    x = 2,819,556.21/1,715.01
  6. Step 6: Final answer
    x = 1,644.05

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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.