Home / 1,731.49-2,389.34-1,023.30

Finding the Fourth Proportional to 1,731.49, 2,389.34 and 1,023.30

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Solution

The fourth proportional to 1,731.49, 2,389.34 and 1,023.30 is: 1,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.49 : 2,389.34 = 1,023.30 : x
  2. Step 2: Convert to fraction form
    1,731.49/2,389.34 = 1,023.30/x
  3. Step 3: Cross multiply
    1,731.49x = 2,389.34 × 1,023.30
  4. Step 4: Simplify right side
    1,731.49x = 2,444,996.91
  5. Step 5: Solve for x
    x = 2,444,996.91/1,731.49
  6. Step 6: Final answer
    x = 1,412.08

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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.