Home / 3,386.81-4,671.18-2,588.15

Finding the Fourth Proportional to 3,386.81, 4,671.18 and 2,588.15

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Solution

The fourth proportional to 3,386.81, 4,671.18 and 2,588.15 is: 3,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.81 : 4,671.18 = 2,588.15 : x
  2. Step 2: Convert to fraction form
    3,386.81/4,671.18 = 2,588.15/x
  3. Step 3: Cross multiply
    3,386.81x = 4,671.18 × 2,588.15
  4. Step 4: Simplify right side
    3,386.81x = 12,089,726.19
  5. Step 5: Solve for x
    x = 12,089,726.19/3,386.81
  6. Step 6: Final answer
    x = 3,569.65

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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.