Home / 1,583.10-2,185.70-1,417.02

Finding the Fourth Proportional to 1,583.10, 2,185.70 and 1,417.02

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Solution

The fourth proportional to 1,583.10, 2,185.70 and 1,417.02 is: 1,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.10 : 2,185.70 = 1,417.02 : x
  2. Step 2: Convert to fraction form
    1,583.10/2,185.70 = 1,417.02/x
  3. Step 3: Cross multiply
    1,583.10x = 2,185.70 × 1,417.02
  4. Step 4: Simplify right side
    1,583.10x = 3,097,180.61
  5. Step 5: Solve for x
    x = 3,097,180.61/1,583.10
  6. Step 6: Final answer
    x = 1,956.40

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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.