Home / 2,587.56-3,568.38-1,748.40

Finding the Fourth Proportional to 2,587.56, 3,568.38 and 1,748.40

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Solution

The fourth proportional to 2,587.56, 3,568.38 and 1,748.40 is: 2,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.56 : 3,568.38 = 1,748.40 : x
  2. Step 2: Convert to fraction form
    2,587.56/3,568.38 = 1,748.40/x
  3. Step 3: Cross multiply
    2,587.56x = 3,568.38 × 1,748.40
  4. Step 4: Simplify right side
    2,587.56x = 6,238,955.59
  5. Step 5: Solve for x
    x = 6,238,955.59/2,587.56
  6. Step 6: Final answer
    x = 2,411.13

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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.