Home / 3,032.02-4,548.20-840.70

Finding the Fourth Proportional to 3,032.02, 4,548.20 and 840.70

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Solution

The fourth proportional to 3,032.02, 4,548.20 and 840.70 is: 1,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.02 : 4,548.20 = 840.70 : x
  2. Step 2: Convert to fraction form
    3,032.02/4,548.20 = 840.70/x
  3. Step 3: Cross multiply
    3,032.02x = 4,548.20 × 840.70
  4. Step 4: Simplify right side
    3,032.02x = 3,823,671.74
  5. Step 5: Solve for x
    x = 3,823,671.74/3,032.02
  6. Step 6: Final answer
    x = 1,261.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.