Home / 2,430.49-3,355.27-1,858.63

Finding the Fourth Proportional to 2,430.49, 3,355.27 and 1,858.63

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Solution

The fourth proportional to 2,430.49, 3,355.27 and 1,858.63 is: 2,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.49 : 3,355.27 = 1,858.63 : x
  2. Step 2: Convert to fraction form
    2,430.49/3,355.27 = 1,858.63/x
  3. Step 3: Cross multiply
    2,430.49x = 3,355.27 × 1,858.63
  4. Step 4: Simplify right side
    2,430.49x = 6,236,205.48
  5. Step 5: Solve for x
    x = 6,236,205.48/2,430.49
  6. Step 6: Final answer
    x = 2,565.82

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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.