Home / 3,132.02-4,700.47-1,378.23

Finding the Fourth Proportional to 3,132.02, 4,700.47 and 1,378.23

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Solution

The fourth proportional to 3,132.02, 4,700.47 and 1,378.23 is: 2,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.02 : 4,700.47 = 1,378.23 : x
  2. Step 2: Convert to fraction form
    3,132.02/4,700.47 = 1,378.23/x
  3. Step 3: Cross multiply
    3,132.02x = 4,700.47 × 1,378.23
  4. Step 4: Simplify right side
    3,132.02x = 6,478,328.77
  5. Step 5: Solve for x
    x = 6,478,328.77/3,132.02
  6. Step 6: Final answer
    x = 2,068.42

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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.