Home / 2,837.02-3,915.08-1,658.77

Finding the Fourth Proportional to 2,837.02, 3,915.08 and 1,658.77

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Solution

The fourth proportional to 2,837.02, 3,915.08 and 1,658.77 is: 2,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.02 : 3,915.08 = 1,658.77 : x
  2. Step 2: Convert to fraction form
    2,837.02/3,915.08 = 1,658.77/x
  3. Step 3: Cross multiply
    2,837.02x = 3,915.08 × 1,658.77
  4. Step 4: Simplify right side
    2,837.02x = 6,494,211.61
  5. Step 5: Solve for x
    x = 6,494,211.61/2,837.02
  6. Step 6: Final answer
    x = 2,289.10

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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.