Home / 2,470.32-3,407.40-1,587.24

Finding the Fourth Proportional to 2,470.32, 3,407.40 and 1,587.24

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Solution

The fourth proportional to 2,470.32, 3,407.40 and 1,587.24 is: 2,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.32 : 3,407.40 = 1,587.24 : x
  2. Step 2: Convert to fraction form
    2,470.32/3,407.40 = 1,587.24/x
  3. Step 3: Cross multiply
    2,470.32x = 3,407.40 × 1,587.24
  4. Step 4: Simplify right side
    2,470.32x = 5,408,361.58
  5. Step 5: Solve for x
    x = 5,408,361.58/2,470.32
  6. Step 6: Final answer
    x = 2,189.34

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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.