Home / 1,569.92-2,338.51-1,486.72

Finding the Fourth Proportional to 1,569.92, 2,338.51 and 1,486.72

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Solution

The fourth proportional to 1,569.92, 2,338.51 and 1,486.72 is: 2,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.92 : 2,338.51 = 1,486.72 : x
  2. Step 2: Convert to fraction form
    1,569.92/2,338.51 = 1,486.72/x
  3. Step 3: Cross multiply
    1,569.92x = 2,338.51 × 1,486.72
  4. Step 4: Simplify right side
    1,569.92x = 3,476,699.62
  5. Step 5: Solve for x
    x = 3,476,699.62/1,569.92
  6. Step 6: Final answer
    x = 2,214.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.