Home / 3,702.21-5,547.63-1,851.48

Finding the Fourth Proportional to 3,702.21, 5,547.63 and 1,851.48

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Solution

The fourth proportional to 3,702.21, 5,547.63 and 1,851.48 is: 2,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.21 : 5,547.63 = 1,851.48 : x
  2. Step 2: Convert to fraction form
    3,702.21/5,547.63 = 1,851.48/x
  3. Step 3: Cross multiply
    3,702.21x = 5,547.63 × 1,851.48
  4. Step 4: Simplify right side
    3,702.21x = 10,271,325.99
  5. Step 5: Solve for x
    x = 10,271,325.99/3,702.21
  6. Step 6: Final answer
    x = 2,774.38

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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.