Home / 2,692.07-3,715.10-1,513.14

Finding the Fourth Proportional to 2,692.07, 3,715.10 and 1,513.14

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Solution

The fourth proportional to 2,692.07, 3,715.10 and 1,513.14 is: 2,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.07 : 3,715.10 = 1,513.14 : x
  2. Step 2: Convert to fraction form
    2,692.07/3,715.10 = 1,513.14/x
  3. Step 3: Cross multiply
    2,692.07x = 3,715.10 × 1,513.14
  4. Step 4: Simplify right side
    2,692.07x = 5,621,479.48
  5. Step 5: Solve for x
    x = 5,621,479.48/2,692.07
  6. Step 6: Final answer
    x = 2,088.16

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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.