Home / 2,445.57-3,372.35-1,886.13

Finding the Fourth Proportional to 2,445.57, 3,372.35 and 1,886.13

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Solution

The fourth proportional to 2,445.57, 3,372.35 and 1,886.13 is: 2,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.57 : 3,372.35 = 1,886.13 : x
  2. Step 2: Convert to fraction form
    2,445.57/3,372.35 = 1,886.13/x
  3. Step 3: Cross multiply
    2,445.57x = 3,372.35 × 1,886.13
  4. Step 4: Simplify right side
    2,445.57x = 6,360,681.07
  5. Step 5: Solve for x
    x = 6,360,681.07/2,445.57
  6. Step 6: Final answer
    x = 2,600.90

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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.