Home / 3,702.40-5,557.65-2,317.30

Finding the Fourth Proportional to 3,702.40, 5,557.65 and 2,317.30

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Solution

The fourth proportional to 3,702.40, 5,557.65 and 2,317.30 is: 3,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.40 : 5,557.65 = 2,317.30 : x
  2. Step 2: Convert to fraction form
    3,702.40/5,557.65 = 2,317.30/x
  3. Step 3: Cross multiply
    3,702.40x = 5,557.65 × 2,317.30
  4. Step 4: Simplify right side
    3,702.40x = 12,878,742.35
  5. Step 5: Solve for x
    x = 12,878,742.35/3,702.40
  6. Step 6: Final answer
    x = 3,478.48

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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.