Home / 1,746.80-2,618.23-923.30

Finding the Fourth Proportional to 1,746.80, 2,618.23 and 923.30

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Solution

The fourth proportional to 1,746.80, 2,618.23 and 923.30 is: 1,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.80 : 2,618.23 = 923.30 : x
  2. Step 2: Convert to fraction form
    1,746.80/2,618.23 = 923.30/x
  3. Step 3: Cross multiply
    1,746.80x = 2,618.23 × 923.30
  4. Step 4: Simplify right side
    1,746.80x = 2,417,411.76
  5. Step 5: Solve for x
    x = 2,417,411.76/1,746.80
  6. Step 6: Final answer
    x = 1,383.91

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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.