Home / 1,658.07-2,285.55-1,237.82

Finding the Fourth Proportional to 1,658.07, 2,285.55 and 1,237.82

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Solution

The fourth proportional to 1,658.07, 2,285.55 and 1,237.82 is: 1,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.07 : 2,285.55 = 1,237.82 : x
  2. Step 2: Convert to fraction form
    1,658.07/2,285.55 = 1,237.82/x
  3. Step 3: Cross multiply
    1,658.07x = 2,285.55 × 1,237.82
  4. Step 4: Simplify right side
    1,658.07x = 2,829,088.07
  5. Step 5: Solve for x
    x = 2,829,088.07/1,658.07
  6. Step 6: Final answer
    x = 1,706.25

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1.5x scale

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.