Home / 1,656.40-2,285.16-1,026.48

Finding the Fourth Proportional to 1,656.40, 2,285.16 and 1,026.48

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Solution

The fourth proportional to 1,656.40, 2,285.16 and 1,026.48 is: 1,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.40 : 2,285.16 = 1,026.48 : x
  2. Step 2: Convert to fraction form
    1,656.40/2,285.16 = 1,026.48/x
  3. Step 3: Cross multiply
    1,656.40x = 2,285.16 × 1,026.48
  4. Step 4: Simplify right side
    1,656.40x = 2,345,671.04
  5. Step 5: Solve for x
    x = 2,345,671.04/1,656.40
  6. Step 6: Final answer
    x = 1,416.13

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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.