Home / 1,432.07-2,148.35-508.16

Finding the Fourth Proportional to 1,432.07, 2,148.35 and 508.16

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Solution

The fourth proportional to 1,432.07, 2,148.35 and 508.16 is: 762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.07 : 2,148.35 = 508.16 : x
  2. Step 2: Convert to fraction form
    1,432.07/2,148.35 = 508.16/x
  3. Step 3: Cross multiply
    1,432.07x = 2,148.35 × 508.16
  4. Step 4: Simplify right side
    1,432.07x = 1,091,692.25
  5. Step 5: Solve for x
    x = 1,091,692.25/1,432.07
  6. Step 6: Final answer
    x = 762.32

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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.