Home / 3,445.30-5,166.03-1,254.10

Finding the Fourth Proportional to 3,445.30, 5,166.03 and 1,254.10

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Solution

The fourth proportional to 3,445.30, 5,166.03 and 1,254.10 is: 1,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.30 : 5,166.03 = 1,254.10 : x
  2. Step 2: Convert to fraction form
    3,445.30/5,166.03 = 1,254.10/x
  3. Step 3: Cross multiply
    3,445.30x = 5,166.03 × 1,254.10
  4. Step 4: Simplify right side
    3,445.30x = 6,478,718.22
  5. Step 5: Solve for x
    x = 6,478,718.22/3,445.30
  6. Step 6: Final answer
    x = 1,880.45

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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.