Home / 3,051.40-4,577.10-2,686.90

Finding the Fourth Proportional to 3,051.40, 4,577.10 and 2,686.90

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Solution

The fourth proportional to 3,051.40, 4,577.10 and 2,686.90 is: 4,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.40 : 4,577.10 = 2,686.90 : x
  2. Step 2: Convert to fraction form
    3,051.40/4,577.10 = 2,686.90/x
  3. Step 3: Cross multiply
    3,051.40x = 4,577.10 × 2,686.90
  4. Step 4: Simplify right side
    3,051.40x = 12,298,209.99
  5. Step 5: Solve for x
    x = 12,298,209.99/3,051.40
  6. Step 6: Final answer
    x = 4,030.35

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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.