Home / 3,051.74-4,577.38-971.87

Finding the Fourth Proportional to 3,051.74, 4,577.38 and 971.87

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Solution

The fourth proportional to 3,051.74, 4,577.38 and 971.87 is: 1,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.74 : 4,577.38 = 971.87 : x
  2. Step 2: Convert to fraction form
    3,051.74/4,577.38 = 971.87/x
  3. Step 3: Cross multiply
    3,051.74x = 4,577.38 × 971.87
  4. Step 4: Simplify right side
    3,051.74x = 4,448,592.98
  5. Step 5: Solve for x
    x = 4,448,592.98/3,051.74
  6. Step 6: Final answer
    x = 1,457.72

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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.