Home / 3,088.60-4,632.40-1,140.32

Finding the Fourth Proportional to 3,088.60, 4,632.40 and 1,140.32

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Solution

The fourth proportional to 3,088.60, 4,632.40 and 1,140.32 is: 1,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.60 : 4,632.40 = 1,140.32 : x
  2. Step 2: Convert to fraction form
    3,088.60/4,632.40 = 1,140.32/x
  3. Step 3: Cross multiply
    3,088.60x = 4,632.40 × 1,140.32
  4. Step 4: Simplify right side
    3,088.60x = 5,282,418.37
  5. Step 5: Solve for x
    x = 5,282,418.37/3,088.60
  6. Step 6: Final answer
    x = 1,710.30

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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.