Home / 3,435.90-4,741.56-1,864.01

Finding the Fourth Proportional to 3,435.90, 4,741.56 and 1,864.01

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Solution

The fourth proportional to 3,435.90, 4,741.56 and 1,864.01 is: 2,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.90 : 4,741.56 = 1,864.01 : x
  2. Step 2: Convert to fraction form
    3,435.90/4,741.56 = 1,864.01/x
  3. Step 3: Cross multiply
    3,435.90x = 4,741.56 × 1,864.01
  4. Step 4: Simplify right side
    3,435.90x = 8,838,298.74
  5. Step 5: Solve for x
    x = 8,838,298.74/3,435.90
  6. Step 6: Final answer
    x = 2,572.34

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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.