Home / 2,602.08-3,590.87-1,423.15

Finding the Fourth Proportional to 2,602.08, 3,590.87 and 1,423.15

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Solution

The fourth proportional to 2,602.08, 3,590.87 and 1,423.15 is: 1,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.08 : 3,590.87 = 1,423.15 : x
  2. Step 2: Convert to fraction form
    2,602.08/3,590.87 = 1,423.15/x
  3. Step 3: Cross multiply
    2,602.08x = 3,590.87 × 1,423.15
  4. Step 4: Simplify right side
    2,602.08x = 5,110,346.64
  5. Step 5: Solve for x
    x = 5,110,346.64/2,602.08
  6. Step 6: Final answer
    x = 1,963.95

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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.