Home / 3,555.32-5,335.60-2,870.18

Finding the Fourth Proportional to 3,555.32, 5,335.60 and 2,870.18

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Solution

The fourth proportional to 3,555.32, 5,335.60 and 2,870.18 is: 4,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.32 : 5,335.60 = 2,870.18 : x
  2. Step 2: Convert to fraction form
    3,555.32/5,335.60 = 2,870.18/x
  3. Step 3: Cross multiply
    3,555.32x = 5,335.60 × 2,870.18
  4. Step 4: Simplify right side
    3,555.32x = 15,314,132.41
  5. Step 5: Solve for x
    x = 15,314,132.41/3,555.32
  6. Step 6: Final answer
    x = 4,307.39

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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.