Home / 1,368.59-2,062.55-1,237.10

Finding the Fourth Proportional to 1,368.59, 2,062.55 and 1,237.10

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Solution

The fourth proportional to 1,368.59, 2,062.55 and 1,237.10 is: 1,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.59 : 2,062.55 = 1,237.10 : x
  2. Step 2: Convert to fraction form
    1,368.59/2,062.55 = 1,237.10/x
  3. Step 3: Cross multiply
    1,368.59x = 2,062.55 × 1,237.10
  4. Step 4: Simplify right side
    1,368.59x = 2,551,564.11
  5. Step 5: Solve for x
    x = 2,551,564.11/1,368.59
  6. Step 6: Final answer
    x = 1,864.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.