Home / 1,303.23-1,938.28-1,264.35

Finding the Fourth Proportional to 1,303.23, 1,938.28 and 1,264.35

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Solution

The fourth proportional to 1,303.23, 1,938.28 and 1,264.35 is: 1,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.23 : 1,938.28 = 1,264.35 : x
  2. Step 2: Convert to fraction form
    1,303.23/1,938.28 = 1,264.35/x
  3. Step 3: Cross multiply
    1,303.23x = 1,938.28 × 1,264.35
  4. Step 4: Simplify right side
    1,303.23x = 2,450,661.16
  5. Step 5: Solve for x
    x = 2,450,661.16/1,303.23
  6. Step 6: Final answer
    x = 1,880.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.