Home / 3,051-4,210.40-1,653.76

Finding the Fourth Proportional to 3,051, 4,210.40 and 1,653.76

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Solution

The fourth proportional to 3,051, 4,210.40 and 1,653.76 is: 2,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051 : 4,210.40 = 1,653.76 : x
  2. Step 2: Convert to fraction form
    3,051/4,210.40 = 1,653.76/x
  3. Step 3: Cross multiply
    3,051x = 4,210.40 × 1,653.76
  4. Step 4: Simplify right side
    3,051x = 6,962,991.10
  5. Step 5: Solve for x
    x = 6,962,991.10/3,051
  6. Step 6: Final answer
    x = 2,282.20

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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.