Home / 3,132.02-4,312.36-2,658.93

Finding the Fourth Proportional to 3,132.02, 4,312.36 and 2,658.93

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Solution

The fourth proportional to 3,132.02, 4,312.36 and 2,658.93 is: 3,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.02 : 4,312.36 = 2,658.93 : x
  2. Step 2: Convert to fraction form
    3,132.02/4,312.36 = 2,658.93/x
  3. Step 3: Cross multiply
    3,132.02x = 4,312.36 × 2,658.93
  4. Step 4: Simplify right side
    3,132.02x = 11,466,259.83
  5. Step 5: Solve for x
    x = 11,466,259.83/3,132.02
  6. Step 6: Final answer
    x = 3,660.98

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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.