Finding the Fourth Proportional to 2,430.08, 3,644 and 890
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Solution
The fourth proportional to 2,430.08, 3,644 and 890 is: 1,334.59
Step by Step Solution
- Step 1: Write the proportion equation
2,430.08 : 3,644 = 890 : x - Step 2: Convert to fraction form
2,430.08/3,644 = 890/x - Step 3: Cross multiply
2,430.08x = 3,644 × 890 - Step 4: Simplify right side
2,430.08x = 3,243,160 - Step 5: Solve for x
x = 3,243,160/2,430.08 - Step 6: Final answer
x = 1,334.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.