Home / 3,087.90-4,631.61-2,398.98

Finding the Fourth Proportional to 3,087.90, 4,631.61 and 2,398.98

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Solution

The fourth proportional to 3,087.90, 4,631.61 and 2,398.98 is: 3,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.90 : 4,631.61 = 2,398.98 : x
  2. Step 2: Convert to fraction form
    3,087.90/4,631.61 = 2,398.98/x
  3. Step 3: Cross multiply
    3,087.90x = 4,631.61 × 2,398.98
  4. Step 4: Simplify right side
    3,087.90x = 11,111,139.76
  5. Step 5: Solve for x
    x = 11,111,139.76/3,087.90
  6. Step 6: Final answer
    x = 3,598.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.