Home / 1,512.48-2,088.72-1,509.60

Finding the Fourth Proportional to 1,512.48, 2,088.72 and 1,509.60

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Solution

The fourth proportional to 1,512.48, 2,088.72 and 1,509.60 is: 2,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.48 : 2,088.72 = 1,509.60 : x
  2. Step 2: Convert to fraction form
    1,512.48/2,088.72 = 1,509.60/x
  3. Step 3: Cross multiply
    1,512.48x = 2,088.72 × 1,509.60
  4. Step 4: Simplify right side
    1,512.48x = 3,153,131.71
  5. Step 5: Solve for x
    x = 3,153,131.71/1,512.48
  6. Step 6: Final answer
    x = 2,084.74

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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.