Home / 4,211.64-5,810.40-2,639.16

Finding the Fourth Proportional to 4,211.64, 5,810.40 and 2,639.16

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Solution

The fourth proportional to 4,211.64, 5,810.40 and 2,639.16 is: 3,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.64 : 5,810.40 = 2,639.16 : x
  2. Step 2: Convert to fraction form
    4,211.64/5,810.40 = 2,639.16/x
  3. Step 3: Cross multiply
    4,211.64x = 5,810.40 × 2,639.16
  4. Step 4: Simplify right side
    4,211.64x = 15,334,575.26
  5. Step 5: Solve for x
    x = 15,334,575.26/4,211.64
  6. Step 6: Final answer
    x = 3,641.00

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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.