Home / 1,132.07-1,697.60-401.45

Finding the Fourth Proportional to 1,132.07, 1,697.60 and 401.45

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Solution

The fourth proportional to 1,132.07, 1,697.60 and 401.45 is: 602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.07 : 1,697.60 = 401.45 : x
  2. Step 2: Convert to fraction form
    1,132.07/1,697.60 = 401.45/x
  3. Step 3: Cross multiply
    1,132.07x = 1,697.60 × 401.45
  4. Step 4: Simplify right side
    1,132.07x = 681,501.52
  5. Step 5: Solve for x
    x = 681,501.52/1,132.07
  6. Step 6: Final answer
    x = 602.00

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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.