Home / 1,656.10-2,484.14-423.51

Finding the Fourth Proportional to 1,656.10, 2,484.14 and 423.51

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Solution

The fourth proportional to 1,656.10, 2,484.14 and 423.51 is: 635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.10 : 2,484.14 = 423.51 : x
  2. Step 2: Convert to fraction form
    1,656.10/2,484.14 = 423.51/x
  3. Step 3: Cross multiply
    1,656.10x = 2,484.14 × 423.51
  4. Step 4: Simplify right side
    1,656.10x = 1,052,047.89
  5. Step 5: Solve for x
    x = 1,052,047.89/1,656.10
  6. Step 6: Final answer
    x = 635.26

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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.