Home / 3,051.23-4,210.47-1,774.98

Finding the Fourth Proportional to 3,051.23, 4,210.47 and 1,774.98

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Solution

The fourth proportional to 3,051.23, 4,210.47 and 1,774.98 is: 2,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.23 : 4,210.47 = 1,774.98 : x
  2. Step 2: Convert to fraction form
    3,051.23/4,210.47 = 1,774.98/x
  3. Step 3: Cross multiply
    3,051.23x = 4,210.47 × 1,774.98
  4. Step 4: Simplify right side
    3,051.23x = 7,473,500.04
  5. Step 5: Solve for x
    x = 7,473,500.04/3,051.23
  6. Step 6: Final answer
    x = 2,449.34

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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.