Home / 1,746.81-2,620.40-448.29

Finding the Fourth Proportional to 1,746.81, 2,620.40 and 448.29

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Solution

The fourth proportional to 1,746.81, 2,620.40 and 448.29 is: 672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.81 : 2,620.40 = 448.29 : x
  2. Step 2: Convert to fraction form
    1,746.81/2,620.40 = 448.29/x
  3. Step 3: Cross multiply
    1,746.81x = 2,620.40 × 448.29
  4. Step 4: Simplify right side
    1,746.81x = 1,174,696.87
  5. Step 5: Solve for x
    x = 1,174,696.87/1,746.81
  6. Step 6: Final answer
    x = 672.48

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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.