Home / 4,038.68-5,570.88-2,641.40

Finding the Fourth Proportional to 4,038.68, 5,570.88 and 2,641.40

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Solution

The fourth proportional to 4,038.68, 5,570.88 and 2,641.40 is: 3,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.68 : 5,570.88 = 2,641.40 : x
  2. Step 2: Convert to fraction form
    4,038.68/5,570.88 = 2,641.40/x
  3. Step 3: Cross multiply
    4,038.68x = 5,570.88 × 2,641.40
  4. Step 4: Simplify right side
    4,038.68x = 14,714,922.43
  5. Step 5: Solve for x
    x = 14,714,922.43/4,038.68
  6. Step 6: Final answer
    x = 3,643.50

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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.