Home / 2,602.14-3,590.95-1,423.21

Finding the Fourth Proportional to 2,602.14, 3,590.95 and 1,423.21

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Solution

The fourth proportional to 2,602.14, 3,590.95 and 1,423.21 is: 1,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.14 : 3,590.95 = 1,423.21 : x
  2. Step 2: Convert to fraction form
    2,602.14/3,590.95 = 1,423.21/x
  3. Step 3: Cross multiply
    2,602.14x = 3,590.95 × 1,423.21
  4. Step 4: Simplify right side
    2,602.14x = 5,110,675.95
  5. Step 5: Solve for x
    x = 5,110,675.95/2,602.14
  6. Step 6: Final answer
    x = 1,964.03

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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.