Home / 2,506.23-3,457.67-1,931.50

Finding the Fourth Proportional to 2,506.23, 3,457.67 and 1,931.50

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Solution

The fourth proportional to 2,506.23, 3,457.67 and 1,931.50 is: 2,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.23 : 3,457.67 = 1,931.50 : x
  2. Step 2: Convert to fraction form
    2,506.23/3,457.67 = 1,931.50/x
  3. Step 3: Cross multiply
    2,506.23x = 3,457.67 × 1,931.50
  4. Step 4: Simplify right side
    2,506.23x = 6,678,471.30
  5. Step 5: Solve for x
    x = 6,678,471.30/2,506.23
  6. Step 6: Final answer
    x = 2,664.75

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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.