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Finding the Fourth Proportional to 1,094.08, 1,510.38 and 746.60

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Solution

The fourth proportional to 1,094.08, 1,510.38 and 746.60 is: 1,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.08 : 1,510.38 = 746.60 : x
  2. Step 2: Convert to fraction form
    1,094.08/1,510.38 = 746.60/x
  3. Step 3: Cross multiply
    1,094.08x = 1,510.38 × 746.60
  4. Step 4: Simplify right side
    1,094.08x = 1,127,649.71
  5. Step 5: Solve for x
    x = 1,127,649.71/1,094.08
  6. Step 6: Final answer
    x = 1,030.68

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1.5x scale

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.