Home / 1,457.06-2,000.97-1,247.23

Finding the Fourth Proportional to 1,457.06, 2,000.97 and 1,247.23

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Solution

The fourth proportional to 1,457.06, 2,000.97 and 1,247.23 is: 1,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.06 : 2,000.97 = 1,247.23 : x
  2. Step 2: Convert to fraction form
    1,457.06/2,000.97 = 1,247.23/x
  3. Step 3: Cross multiply
    1,457.06x = 2,000.97 × 1,247.23
  4. Step 4: Simplify right side
    1,457.06x = 2,495,672.31
  5. Step 5: Solve for x
    x = 2,495,672.31/1,457.06
  6. Step 6: Final answer
    x = 1,712.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.