Home / 1,810.40-2,498.43-1,416.74

Finding the Fourth Proportional to 1,810.40, 2,498.43 and 1,416.74

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Solution

The fourth proportional to 1,810.40, 2,498.43 and 1,416.74 is: 1,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.40 : 2,498.43 = 1,416.74 : x
  2. Step 2: Convert to fraction form
    1,810.40/2,498.43 = 1,416.74/x
  3. Step 3: Cross multiply
    1,810.40x = 2,498.43 × 1,416.74
  4. Step 4: Simplify right side
    1,810.40x = 3,539,606.14
  5. Step 5: Solve for x
    x = 3,539,606.14/1,810.40
  6. Step 6: Final answer
    x = 1,955.16

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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.