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Finding the Fourth Proportional to 1,303.32, 1,800.18 and 1,054.92

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Solution

The fourth proportional to 1,303.32, 1,800.18 and 1,054.92 is: 1,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.32 : 1,800.18 = 1,054.92 : x
  2. Step 2: Convert to fraction form
    1,303.32/1,800.18 = 1,054.92/x
  3. Step 3: Cross multiply
    1,303.32x = 1,800.18 × 1,054.92
  4. Step 4: Simplify right side
    1,303.32x = 1,899,045.89
  5. Step 5: Solve for x
    x = 1,899,045.89/1,303.32
  6. Step 6: Final answer
    x = 1,457.08

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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.