Home / 2,520.08-3,477.72-1,732.76

Finding the Fourth Proportional to 2,520.08, 3,477.72 and 1,732.76

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Solution

The fourth proportional to 2,520.08, 3,477.72 and 1,732.76 is: 2,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.08 : 3,477.72 = 1,732.76 : x
  2. Step 2: Convert to fraction form
    2,520.08/3,477.72 = 1,732.76/x
  3. Step 3: Cross multiply
    2,520.08x = 3,477.72 × 1,732.76
  4. Step 4: Simplify right side
    2,520.08x = 6,026,054.11
  5. Step 5: Solve for x
    x = 6,026,054.11/2,520.08
  6. Step 6: Final answer
    x = 2,391.22

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Half scale
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Double scale
Find fourth proportional to 2,521.08, 3,479.10 and 1,733.76
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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.