Home / 1,967.08-2,962.99-1,665.76

Finding the Fourth Proportional to 1,967.08, 2,962.99 and 1,665.76

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Solution

The fourth proportional to 1,967.08, 2,962.99 and 1,665.76 is: 2,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.08 : 2,962.99 = 1,665.76 : x
  2. Step 2: Convert to fraction form
    1,967.08/2,962.99 = 1,665.76/x
  3. Step 3: Cross multiply
    1,967.08x = 2,962.99 × 1,665.76
  4. Step 4: Simplify right side
    1,967.08x = 4,935,630.22
  5. Step 5: Solve for x
    x = 4,935,630.22/1,967.08
  6. Step 6: Final answer
    x = 2,509.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.