Home / 1,551.59-2,338.05-1,283.69

Finding the Fourth Proportional to 1,551.59, 2,338.05 and 1,283.69

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Solution

The fourth proportional to 1,551.59, 2,338.05 and 1,283.69 is: 1,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.59 : 2,338.05 = 1,283.69 : x
  2. Step 2: Convert to fraction form
    1,551.59/2,338.05 = 1,283.69/x
  3. Step 3: Cross multiply
    1,551.59x = 2,338.05 × 1,283.69
  4. Step 4: Simplify right side
    1,551.59x = 3,001,331.40
  5. Step 5: Solve for x
    x = 3,001,331.40/1,551.59
  6. Step 6: Final answer
    x = 1,934.36

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1.5x scale

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.