Home / 2,971.95-4,457.97-1,123.93

Finding the Fourth Proportional to 2,971.95, 4,457.97 and 1,123.93

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Solution

The fourth proportional to 2,971.95, 4,457.97 and 1,123.93 is: 1,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.95 : 4,457.97 = 1,123.93 : x
  2. Step 2: Convert to fraction form
    2,971.95/4,457.97 = 1,123.93/x
  3. Step 3: Cross multiply
    2,971.95x = 4,457.97 × 1,123.93
  4. Step 4: Simplify right side
    2,971.95x = 5,010,451.79
  5. Step 5: Solve for x
    x = 5,010,451.79/2,971.95
  6. Step 6: Final answer
    x = 1,685.92

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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.